Document:

EXHIBIT 10.50

                     CONTINUING UNLIMITED CORPORATE GUARANTY
                                   (NQL Inc.)

                                                              Date: May 31, 2001

To:  KELTIC FINANCIAL PARTNERS, LP (the "Lender")

     For  Valuable  Consideration,  and to induce  Lender to loan  money  and/or
extend  credit  in  reliance  hereon,   the  undersigned,   hereby   guarantees,
unconditionally, the payment, when due, of each and every obligation, matured or
unmatured,  direct or contingent,  now existing or hereafter  arising,  owing to
Lender  by  Delta  Computec  Inc.,  a  New  York  corporation  (the  "Borrower")
specifically including, but without limitation, under or related to that certain
Loan and Security  Agreement dated May 31, 2001 between Borrower and Lender,  as
such  agreement may be amended,  modified,  extended or  substituted or restated
from time to time.

     This Guaranty shall be primary,  absolute and  unconditional  and extend to
and cover  every  extension  or renewal  of, and every  obligation  accepted  in
substitution for any obligation  guaranteed hereby, and the undersigned shall be
bound  hereby  irrespective  of (i) the  existence,  value or  condition  of any
collateral   security  Lender  may  at  any  time  hold;  (ii)  the  invalidity,
irregularity  or  enforceability  of  any  instrument,  writing  or  arrangement
relating to any such credit, loan of money or financial  accommodation or of the
obligations  thereunder;  (iii)  the  inability  or  failure  of Lender to fully
establish or perfect its lien or security interest in any collateral  pledged to
it; (iv) any other circumstance that might constitute a defense to, or discharge
of, the Borrower with respect to any of the obligations  hereby  guarantied,  or
the  undersigned  in regard to this  Guaranty  other than payment in full of the
obligations  guaranteed hereby; or (v) any present or future law or order of any
government (whether of right or in fact) or of any agency thereof, purporting to
reduce,  amend or otherwise affect any obligation of the Borrower or to vary the
terms of payment of the obligations of the Borrower hereby guaranteed.

     Without  limiting the  generality  of the  foregoing,  enforcement  of this
Guaranty  shall not be contingent  upon pursuit by the Lender of any remedies it
may have against any other  guarantor or the Borrower,  whether  pursuant to the
terms of any loan documents or by law, and the Lender, in this regard, shall not
be required to (i) institute any judicial action against Borrower,  (ii) enforce
any other remedy against Borrower,  or (iii) take any action to realize upon any
property or  collateral  assigned,  pledged or otherwise  available to Lender as
security for performance of the obligations of Borrower.

     The  undersigned  hereby waives (i) notice of acceptance of this  Guaranty;
(ii)  presentment,  demand,  protest and notice of dishonor of any note or other
obligation  hereby  guaranteed;  and (iii)  demand by Lender for  observance  or
performance  of, or enforcement by Lender of any terms or provisions of the loan
documents evidencing the obligations of Borrower,  or any terms or provisions of
this Guaranty.

<PAGE>

     This  Guaranty is a  continuing  guaranty  and shall  remain in force until
revoked  by notice  in  writing  to  Lender,  and  revocation  hereof  shall not
prejudice  Lender's claim hereunder with respect to any obligation arising prior
to revocation.

     The  undersigned  hereby  consents  and agrees  that  Lender  may,  without
prejudice to any claim against the undersigned  hereunder,  at any time, or from
time to time, in Lender's discretion, and without notice to the undersigned: (i)
waive  compliance  with, or any defaults under,  or grant any other  indulgences
with respect to the loan documents  evidencing the  obligations of the Borrower;
(ii) modify,  amend,  or change any provisions of the loan documents  evidencing
the obligations of the Borrower; (iii) extend or change the time of payment, and
the manner, place or terms of payment of any obligation hereby guaranteed;  (iv)
make advances for the purpose of performing  any term or covenant  pertaining to
the obligations hereby guaranteed with respect to which the Borrower shall be in
default; (v) assign or otherwise transfer the obligations hereby guaranteed,  or
any interest therein or herein; (vi) exchange,  release, impair or surrender all
or any collateral  security which Lender may at any time hold in connection with
any obligation hereby guaranteed;  (vii) sell, and purchase, any such collateral
at public or private sale or at any broker's board,  crediting net proceeds upon
any obligation secured thereby; (viii) release,  discharge, settle or compromise
with the Borrower, or with any other person primarily or secondarily liable with
the Borrower,  any obligation  hereby  guaranteed;  or (ix) deal in all respects
with the Borrower as if this Guaranty were not in effect.

     The  undersigned  represents  and warrants  that (i) the  undersigned  is a
corporation  organized and existing and in good  standing  under the laws of the
State of Delaware  and under the laws of any other state  wherein the  business,
properties or operations of the undersigned make it necessary to so qualify (ii)
the  undersigned  has the full power,  authority  and legal right to enter into,
execute and deliver this  Guaranty;  (iii) this  Guaranty is a valid and binding
legal  obligation  of the  undersigned  and is  fully  enforceable  against  the
undersigned  in  accordance  with its  terms  and,  as of the date  hereof,  the
undersigned  has no  defense  to any  action or  proceeding  that may be brought
hereunder;  (iv) the execution,  delivery and  performance by the undersigned of
this Guaranty has been duly authorized by all requisite  corporate action,  will
not violate any term or condition of the Certificate of Incorporation or By-Laws
of the  undersigned  and will not  violate  or  constitute  a default  under any
indenture,  note, loan,  credit agreement or any other document or instrument to
which the  undersigned  is a party or by which the  undersigned  is bound in any
manner which would  materially and adversely affect its ability to carry out any
of the terms, covenants and conditions of this Guaranty; (v) the undersigned has
a direct  interest in the financial  well-being of the Borrower;  and (vi) there
has  been  no  material  adverse  change  in  the  financial  condition  of  the
undersigned from that shown on the most recent financial statements delivered to
Lender.

     The undersigned is not in violation of any decree, ruling,  judgment, order
or  injunction  applicable to it, or any law,  ordinance,  rule or regulation of
whatever  nature which taken alone or in the  aggregate,  would  materially  and
adversely  affect  its  ability  to carry out any of the  terms,  covenants  and
conditions of this Guaranty. There are no actions, proceedings or investigations
pending or  threatened  against or affecting  the  undersigned  before or by any
court,  arbitrator,

                                       2
<PAGE>

administrative  agency or other governmental  authority or entity,  which, taken
alone or in the aggregate,  if adversely decided, would materially and adversely
affect  its  ability  to  carry  out any of the  terms  and  conditions  of this
Guaranty.

     This Guaranty and the undersigned's  liability  hereunder shall continue to
be effective or be reinstated,  as the case may be, if at any time,  prepayment,
payment or other  value  received  by the Lender  from any  source,  or any part
thereof,  of  any  of the  obligations  guaranteed  hereunder  is  rescinded  or
otherwise  restored  or  returned  by the Lender by reason of (i) any  judgment,
decree  or  order  by  any  court  or   administrative   body  having  competent
jurisdiction;  (ii) any  settlement or  compromise  of any such claim;  or (iii)
otherwise,  all as though such  payment had not been made,  notwithstanding  any
termination  hereof or the  cancellation  of any  instrument or writing or other
agreement evidencing the obligations of the undersigned.

     No delay on the Lender's  part in  exercising  any right  hereunder,  or in
taking  any  action to collect  or  enforce  payment  of any  obligation  hereby
guaranteed,  either as against the  Borrower or any other  person  primarily  or
secondarily  liable  with the  Borrower,  shall  operate as a waiver of any such
right or in any manner prejudice the Lender's rights against the undersigned.

     THE UNDERSIGNED  HEREBY WAIVES THE FOLLOWING IN ANY ACTION OR PROCEEDING OF
ANY KIND OR NATURE,  ARISING UNDER OR BY REASON OF OR RELATING TO THIS GUARANTY:
(i) THE RIGHT TO A TRIAL BY JURY;  (ii) THE RIGHT TO CLAIM A FAIR  MARKET  VALUE
CREDIT AS TO ANY AND ALL COLLATERAL NOW OR HEREAFTER PLEDGED TO LENDER TO SECURE
THE  OBLIGATIONS  HEREBY  GUARANTEED:  (iii) THE RIGHT TO INTERPOSE  ANY DEFENSE
EXCEPT  INDEFEASIBLE  PAYMENT IN FULL OF THE OBLIGATIONS  HEREBY  GUARANTEED AND
(iv) ANY RIGHT OF SUBROGATION TO WHICH GUARANTOR MIGHT OTHERWISE BE ENTITLED.

                                                           -----------
                                                           (Initial)

     The  undersigned  agrees  that,  if the maturity of any  obligation  hereby
guaranteed is accelerated,  by bankruptcy or otherwise, as against the Borrower,
such  maturity  shall  also  be  deemed  accelerated  for the  purposes  of this
Guaranty, and without demand upon or notice to the undersigned.

     The undersigned hereby subordinates any and all indebtedness of Borrower to
the  undersigned  to the  prior  indefeasible  payment  and  performance  of all
obligations  hereby  guaranteed  in  accordance  with  that  certain  Standstill
Subordination  Agreement entered into between the undersigned,  the Borrower and
the Lender  dated as of the date hereof  (the  "Subordination  Agreement").  The
undersigned  agrees that, before it receives payment of any indebtedness owed to
it by  Borrower,  Lender  shall be  entitled  to receive  payment in full of all
obligations  hereby  guaranteed,  subject  to the  terms and  provisions  of the
Subordination  Agreement.  Except as  otherwise  provided  in the  Subordination
Agreement,  any  payments on such

                                       3
<PAGE>

indebtedness  of Borrower to the  undersigned  shall be collected,  enforced and
received by the  undersigned as trustee for Lender and be paid over to Lender on
account of the obligations hereby guaranteed,  but without reducing or affecting
in any  manner  the  liability  of the  undersigned  under the other  provisions
hereof.  Lender  is  authorized  and  empowered  irrevocably  (but  without  any
obligation to so do), in its discretion,  as  attorney-in-fact  (with such power
being coupled with an interest and being  irrevocable)  for the  undersigned  or
otherwise  (a) in the name of the  undersigned,  to collect and enforce,  and to
submit  claims in respect of,  such  indebtedness  of Borrower  and to apply any
amounts  received  thereon  to the  obligations  hereby  guaranteed,  and (b) to
require the  undersigned  (i) to collect and  enforce,  and to submit  claims in
respect of, such indebtedness of Borrower,  and (ii) to pay any amounts received
on such  indebtedness  to  Lender  for  application  to the  obligations  hereby
guaranteed.  The undersigned  hereby assigns to Lender all of the  undersigned's
rights to any payments or  distributions  with respect to such  indebtedness  of
Borrower.

     As further  security,  the  undersigned  hereby gives Lender a general lien
upon and right of setoff with respect to any deposit  account of the undersigned
with  Lender and any other of the  undersigned's  funds or assets at any time in
Lender's custody or control.

     The  undersigned  hereby  authorizes  Lender,  in its sole  discretion,  to
disclose  any  financial  or other  information  about  the  undersigned  to any
present, future or prospective participant or successor in interest in any loan,
advance  or other  financial  accommodation  to  Borrower  from  Lender,  or any
regulatory body or agency having jurisdiction over Lender.  Lender shall request
that each  prospective  participant or purchaser  maintain the  information  and
documentation  submitted to such person or entity in  confidence  in  accordance
with their customary practices.

     In the event any proceedings are undertaken by Lender to effect  collection
hereunder,  the  undersigned  shall pay all costs and expenses of every kind for
collection,   including  reasonable   attorney's  fees  incurred  by  Lender  in
connection with the enforcement of this Guaranty.

     If the  obligations of the Borrower are also guaranteed by any other person
or entity by continuing  guaranty or by  endorsement of any note of the Borrower
or  otherwise,   the   obligation  of  such  other  person  or  entity  and  the
undersigned's  obligation  hereunder  shall be  deemed  to be  several,  and the
release  by  Lender  of any  such  other  guarantor,  or  settlement  with  such
guarantor,  or the revocation or impairment of such guaranty,  shall not operate
to prejudice Lender's rights against the undersigned hereunder.

     The undersigned  agrees to deliver to Lender such financial  statements and
information  as reasonably  requested by Lender,  from time to time, in form and
substance reasonably satisfactory to Lender.

     No delay on the Lender's  part in exercising  any of the Lender's  options,
powers or rights or partial or single  exercises  thereof,  shall  constitute  a
waiver  thereof.  No  waiver  of any of the  Lender's  rights  hereunder  and no
modification or amendment of this Guaranty, shall be deemed to be made by Lender
unless the same shall be in writing,  duly signed on the Lender's  behalf by its

                                       4
<PAGE>

duly authorized  officers,  and each such waiver,  if any, shall apply only with
respect  to the  specific  instance  involved,  and shall in no way  impair  the
Lender's rights or the undersigned's  obligations to Lender in any other respect
at any other time.

     If any provision (or any part of any provision)  contained in this Guaranty
shall for any reason be held to be invalid,  illegal,  or  unenforceable  in any
respect, such invalidity,  illegality,  or unenforceability shall not affect any
other provision (or remaining part of the affected  provision) of this Guaranty,
but  this  Guaranty  shall  be  construed  as  if  such  invalid,   illegal,  or
unenforceable  provision (or part thereof) had never been contained herein,  but
only to the extent such provision is invalid, illegal, or unenforceable.

     The  undersigned  agrees  that:  (i) this  Guaranty  shall be  construed in
accordance  with and  governed  by the laws of the State of New  York;  (ii) any
action or  proceeding to enforce this Guaranty may be commenced in State Supreme
Court in  Westchester  County,  New York, or any Federal  District  Court in the
Southern  District  of  New  York;  and  (iii)  it  generally,  irrevocably  and
unconditionally  submits to and  accepts  for  itself  (and its  successors  and
assigns) the  jurisdiction  of the aforesaid  courts for the purpose of any such
suit,  action or other  proceeding and agrees not to contest the validity of any
judgment  rendered thereby in any other  jurisdiction.  The undersigned  further
waives,  and agrees not to assert, by way of motion as a defense,  or otherwise,
in any such suit,  action or  proceeding,  any claim  that it is not  personally
subject to the  jurisdiction of the aforesaid courts or is otherwise immune from
legal  proceedings,  or that the suit,  action or  proceeding  is  brought in an
inconvenient  forum,  that the  venue  of the  suit,  action  or  proceeding  is
improper,  or that the loan  documents  of the  Borrower or the  subject  matter
hereof may not be enforced by any such court.

     This  Guaranty  shall  be  binding  upon  the  undersigned,  as well as its
successors or assigns (except that no such assignment shall be effective without
the prior written consent of Lender).

     This  Guaranty  shall inure to the benefit  of, and be  enforceable  by the
Lender,  its  successors  and assigns,  including any  subsequent  holder of the
obligations hereby guaranteed.

     For the purposes of this Guaranty,  the singular shall be deemed to include
the  plural,  and the neuter  shall be deemed to include the  masculine  and the
feminine, and vice versa, as the context may require.

                                       5

<PAGE>

     IN WITNESS WHEREOF,  the undersigned has caused these presents to be signed
by its proper  corporate  officers  and sealed with its seal of the day and year
first above written.

ATTEST:                                     NQL Inc.

BY: /s/ Robert O. Riiska                    BY: /s/ Douglas J. Tullio
    ---------------------------------           --------------------------------
Name: Robert O. Riiska                      Name: Douglas J. Tullio
Title: Secretary                            Title: President

STATE OF CALIFORNIA:
                                            :  SS
COUNTY OF Orange:

     On May 31, 2001, before me Heather Vuncanon, personally appeared Douglas J.
Tullio and Robert O. Riiska

                                    [X]      personally known to me and

                                    [X]      proved  to  me  on  the  basis  of
                                             satisfactory evidence

                                    to be the  person(s)  whose  name(s)  is/are
                                    subscribed  to  the  within  instrument  and
                                    acknowledged to me that he/she/they executed
                                    the  same  in   his/her   their   authorized
                                    capacity(ies),  and  that  by  his/her/their
                                    signature(s)    on   the    instrument   the
                                    person(s),  or the  entity  upon  behalf  of
                                    which  the  person(s)  acted,  executed  the
                                    instrument.

                                    WITNESS my hand and official seal.

                                    /s/ Heather Vuncanon
                                    --------------------------------------------
                                    Signature of Notary Public

Place Notary Seal Above

     _____________________________OPTIONAL__________________________________
Though the  information  below is not required by law, it may prove  valuable to
persons  relying  on the  document  and could  prevent  fraudulent  removal  and
reattachment of this form to another document.

Description of Attached Document
Title or Type of Document:
                          ------------------------------------------------------

Document Date:                               Number of Pages:
              ------------------------------                 -------------------

Signer(s) Other Than Named Above:
                                 -----------------------------------------------

                                       6
<PAGE>

Capacity(ies) Claimed by Signer
Signer's Name:
              ------------------------------------------------------------------
[_]      Individual

[_]      Corporate Officer - Title(s):

[_]      Partner -   [_]  Limited    [_]  General

[_]      Attorney In Fact

[_]      Trustee

[_]      Guardian or Conservator

[_]      Other:
               -----------------------------------------------------------------
Signer is representing:
                       ---------------------------------------------------------

                                       7<PAGE>

                                                                   EXHIBIT 10.51

THIS WARRANT AND THE SHARES ISSUABLE  HEREUNDER HAVE NOT BEEN  REGISTERED  UNDER
THE  SECURITIES  ACT OF  1933,  AS  AMENDED,  AND MAY NOT BE  SOLD,  PLEDGED  OR
OTHERWISE  TRANSFERRED WITHOUT AN EFFECTIVE  REGISTRATION THEREOF UNDER SUCH ACT
OR PURSUANT TO RULE 144 OR AN OPINION OF COUNSEL REASONABLY  SATISFACTORY TO THE
CORPORATION AND ITS COUNSEL THAT SUCH REGISTRATION IS NOT REQUIRED.

                            WARRANT TO PURCHASE STOCK

Corporation:                                NQL Inc., a Delaware corporation
Number of Shares:                           50,000
Class of Stock                              Common
Initial Exercise Price:                     $1.51 per share
Issue Date                                  May 31, 2001
Expiration Date:                            May 30, 2005

THIS WARRANT  CERTIFIES THAT, in  consideration  of the payment of $1.00 and for
other  good  and  valuable   consideration,   the  receipt   thereof  is  hereby
acknowledged, Keltic Financial Partners, LP or registered assignee ("Holder") is
entitled to purchase the number of fully paid and  non-assessable  shares of the
Class of Stock (the "Shares") of the corporation  (the "Company") at the Initial
Exercise  Price per Share (the  "Warrant  Price")  all as set forth above and as
adjusted  pursuant to Article 2 of this Warrant,  subject to the  provisions and
upon the terms and conditions set forth of this Warrant.

ARTICLE 1. EXERCISE

     1.1 Method of  Exercise.  Holder may  exercise  this Warrant in whole or in
part by  delivering  this  Warrant  and a duly  executed  Notice of  Exercise in
substantially  the form  attached as Appendix I to the  principal  office of the
Company located at 4 Hutton Centre,  Suite 500, Santa Ana,  California 92707, or
such other office as the Company  shall advise the Holder,  as herein  provided.
Unless  Holder is  exercising  the  conversion  right set forth in Section  1.2,
Holder shall also deliver to the Company a check for the aggregate Warrant Price
for the Shares  being  purchased.  In the event the Warrant is not  exercised in
full, the Company, at its expense,  shall forthwith issue and deliver to or upon
the order of Holder a new  Warrant  of like tenor and date in the name of Holder
or as Holder may request,  calling in the  aggregate on the face thereof for the
number of Shares equal (without giving effect to any adjustment  therein) to (i)
the  number of Shares  called  for on the face of this  Warrant  minus  (ii) the
number of Shares for which this Warrant shall have been exercised without giving
effect to any  adjustment  in the number as a result of  changes in the  Warrant
Price.

     1.2 Conversion  Right.  (a) In lieu of exercising this Warrant as specified
in  Section  1.1,  Holder  may  from  time to time  convert  this  Warrant  (the
"Conversion  Right"), in whole or in part, into a number of Shares determined by
dividing (a) the aggregate  fair market value of the Shares or other  securities
otherwise  issuable upon  exercise of this Warrant  minus the aggregate  Warrant
Price of such Shares by (b) the fair market value of one Share.  The fair

<PAGE>

market value of the Shares shall be determined  pursuant to Section 1.5. (b) The
Conversion  Right may be exercised by the Holder,  at any time,  or from time to
time,  prior to the Expiration Date, on any business day by delivering a written
notice  (the  "Conversion  Notice")  in the form  attached as Appendix II to the
Company at its principal  office  exercising the Conversion Right and specifying
(i) the  total  number of Shares  the  Holder  will  purchase  pursuant  to such
conversion and (ii) a place and date not less than one nor more than 20 business
days from the date of the Conversion Notice to the closing of such purchase.

     1.3 Payment of Taxes. The Company shall pay all documentary stamp taxes, if
any,  attributable  to the  issuance of the  Warrant  and the Shares;  provided,
however,  that the  Company  shall not be required to pay any tax or taxes which
may be  payable  in  respect  of any  transfer  involved  in  the  issue  of any
certificates for Shares in a name other than that of the Holder upon exercise of
the Warrant,  or any portion thereof and upon exercise of any new warrant issued
in  accordance  with Section 1.1, and the Company shall not be required to issue
or  deliver  such  certificates  unless  and until the  persons  requesting  the
issuance  thereof  have paid to the Company the amount of such tax or shall have
established to the reasonable satisfaction of the Company that such tax has been
paid.

     1.4 Intentionally Omitted

     1.5 Fair  Market  Value.  If the Shares are  traded  regularly  in a public
market,  the fair market value of the Shares  shall be the closing  price of the
Shares (or the closing  price of the  Company's  stock into which the Shares are
convertible)  reported for the business day  immediately  before Holder delivers
its Notice of Exercise to the Company. If the Shares are not regularly traded in
a public  market,  the Board of Directors of the Company  shall  determine  fair
market   value  in  its   reasonable   good  faith   judgment.   The   foregoing
notwithstanding, if Holder advises the Board of Directors in writing that Holder
disagrees  with such  determination,  then the Company and Holder shall promptly
agree upon a reputable  investment banking firm to undertake such valuation.  If
the valuation of such investment banking firm is greater than that determined by
the Board of Directors,  then all fees and expenses of such  investment  banking
firm shall be paid by the  Company.  In all other  circumstances,  such fees and
expenses shall be paid by Holder.

     1.6 Delivery of  Certificate.  Promptly after Holder  exercises or converts
this Warrant, the Company shall deliver to Holder certificates for the number of
fully paid and  non-assessable  Shares acquired in the name of the Holder or its
designee.

     1.7 Replacement of Warrants. On receipt of evidence reasonably satisfactory
to the Company of the loss,  theft,  destruction  or  mutilation of this Warrant
and, in the case of loss,  theft or  destruction,  on  delivery of an  indemnity
agreement  reasonably  satisfactory in form and amount to the Company or, in the
case of mutilation,  or surrender and cancellation of this Warrant,  the Company
at its expense shall execute and deliver,  in lieu of this Warrant a new warrant
of like tenor.

                                       2
<PAGE>

     1.8 Repurchase on Sale, Merger, or Consolidation of the Company.

         1.8.1.  "Acquisition."  For the purpose of this Warrant,  "Acquisition"
means any sale, license, or other disposition of all or substantially all of the
assets (including  intellectual property) of the Company, or any reorganization,
consolidation,  or merger of the  Company  where the  holders  of the  Company's
securities  before  the  transaction  beneficially  own  less  than  50%  of the
outstanding voting securities of the surviving entity after the transaction.

         1.8.2.  Assumption of Warrant.  If upon the closing of any  Acquisition
the successor entity assumes the obligations of this Warrant,  then this Warrant
shall be  exercisable  for the same  securities,  cash, and property as would be
payable for the Shares issuable upon exercise of the unexercised portion of this
Warrant  as if  such  Shares  were  outstanding  on  the  record  date  for  the
Acquisition  and  subsequent  closing.  The  Warrant  Price  shall  be  adjusted
accordingly.  The  Company  shall not  consummate  any  Acquisition  unless  the
acquiring  or  surviving  entity  assumes,  by written  instrument  executed and
delivered to the Holder, the obligations of this Warrant.

ARTICLE 2. ADJUSTMENTS TO THE SHARES.

     2.1  Stock  Dividends,  Splits,  Etc.  If the  Company  declares  or pays a
dividend  on its common  stock  payable in common  stock,  or other  securities,
subdivides the  outstanding  common stock into a greater amount of common stock,
then upon  exercise or  conversion  of this  Warrant,  for each Share  acquired,
Holder  shall  receive,  without  cost to Holder,  the total  number and kind of
securities  to which Holder would have been entitled had Holder owned the Shares
of record as of the date the dividend or subdivision occurred.

     2.2 Reclassification,  Exchange or Substitution. Upon any reclassification,
exchange,  substitution,  or other event that  results in a change of the number
and/or class of the  securities  issuable  upon  exercise or  conversion of this
Warrant,  Holder shall be entitled to receive,  upon  exercise or  conversion of
this Warrant,  the number and kind of securities  and property that Holder would
have  received  for the Shares if this  Warrant had been  exercised  immediately
before  such  reclassification,  exchange,  substitution,  or other  event.  The
Company or its successor  shall  promptly issue to Holder a new Warrant for such
new securities or other property.  The new Warrant shall provide for adjustments
which shall be as nearly  equivalent as may be  practicable  to the  adjustments
provided for in this Article 2 including, without limitation, adjustments to the
Warrant Price and to the number of securities or property issuable upon exercise
of the new Warrant.  The provisions of this Section 2.2 shall similarly apply to
successive reclassifications, exchanges, substitutions, or other events.

     2.3  Adjustments  for  Combinations,  Etc.  If the  outstanding  Shares are
combined or consolidated, by reclassification or otherwise, into a lesser number
of shares, the Warrant Price shall be proportionately increased.

     2.4  Treasury  Shares.  For the  purposes of this Section 2., the number of
Shares at any time outstanding shall not include the Shares held in the treasury
of the Company.

                                       3
<PAGE>

     2.5  No Impairment.  The Company shall not, by amendment of its Articles of
Incorporation or through a  reorganization,  transfer of assets,  consolidation,
merger, dissolution, issue, or sale of securities or any other voluntary action,
avoid or seek to avoid the  observance or  performance of any of the terms to be
observed or performed under this Warrant by the Company,  but shall at all times
in good faith assist in carrying out all the provisions of this Article 2 and in
taking all such action as may be necessary or  appropriate  to protect  Holder's
rights under this Article  against  impairment.  If the Company takes any action
affecting  the Shares or its common  stock  other than as  described  above that
adversely affects Holder's rights under this Warrant, the Warrant Price shall be
adjusted  downward  and the  number of Shares  issuable  upon  exercise  of this
Warrant  shall be adjusted  upward in such a manner that the  aggregate  Warrant
Price of this Warrant is unchanged.

     2.6  Certificate  as to  Adjustments.  Upon each  adjustment of the Warrant
Price, the Company at its expense shall promptly  compute such  adjustment,  and
furnish Holder with a certificate of its Chief  Financial  Officer setting forth
such adjustment and the reasonable  details upon which such adjustment is based.
The Company shall, as soon as practicable after such adjustment,  furnish Holder
a certificate setting forth the Warrant Price.

ARTICLE 3. REPRESENTATIONS AND COVENANTS OF THE COMPANY.

     3.1  Representations  and  Warranties.  The Company  hereby  represents and
warrants to the Holder as follows:

          (a) Reservation of Shares.  The Company shall,  at all times,  reserve
and keep  available out of its  authorized  and unissued  Common Stock or out of
shares of its treasury  stock,  solely for the purpose of issue upon exercise of
the purchase  rights  evidenced by this Warrant,  the number of Shares for which
this Warrant can be exercised.

          (b) All Shares  which may be issued upon the  exercise of the purchase
right  represented by this Warrant,  shall,  upon issuance and payment therefore
pursuant to the terms hereof, be duly authorized, validly issued, fully paid and
non-assessable,  and free of any liens and encumbrances  except for restrictions
on transfer provided for herein or under applicable federal and state securities
laws.

          (c) No Valuation or Impairment. The Company shall not, by amendment of
its Certificate of Incorporation, including without limitation, amendment of the
par value of its Common Stock, or through reorganization, consolidation, merger,
dissolution, issuance of capital stock or sale of treasury stock (otherwise than
upon exercise of the Warrant) or sale of assets, by effecting any subdivision of
or stock split or stock  dividend  with respect to its Common  Stock,  or by any
other voluntary act or deed, avoid or seek to avoid the material  performance or
observance  of any of the  stipulations  or  conditions  in this  Warrant  to be
observed or performed by the Company.  The Company shall,  at all times,  act in
good  faith to  assist  in the  carrying  out of all of the  provisions  of this
Warrant and in taking all other action that may be necessary in order to protect
the rights of the Holder as set forth in this Warrant.

                                       4
<PAGE>

          (d) Maintenance of Office.  The Company shall maintain an office where
presentation  of this Warrant may be made.  The Company  shall give  notice,  in
writing, to the Holder of each change in the location of such office.

     3.2  Notice Of Certain Events.  If the Company  proposes at any time (a) to
declare any dividend or  distribution  upon its common  stock,  whether in cash,
property, stock, or other securities and whether or not a regular cash dividend;
(b) to offer for  subscription pro rata to the holders of any class or series of
its stock any additional shares of stock of any class or series or other rights;
(c) to effect any  reclassification  or recapitalization of common stock; (d) to
merge  or  consolidate  with or into any  other  corporation,  or  sell,  lease,
license,  or convey all or  substantially  all of its assets,  or to  liquidate,
dissolve or wind up; or (e) offer holders of registration rights the opportunity
to participate in an underwritten  public  offering of the company's  securities
for cash,  then,  in  connection  with each such event,  the Company  shall give
Holder (1) at least 20 days prior  written  notice of the date on which a record
will be taken for such  dividend,  distribution,  or  subscription  rights  (and
specifying  the date on which the  holders  of  common  stock  will be  entitled
thereto) or for  determining  rights to vote,  if any, in respect of the matters
referred to in (c) and (d) above;  (2) in the case of the matters referred to in
(c) and (d)  above at least 20 days  prior  written  notice of the date when the
same will take place  (and  specifying  the date on which the  holders of common
stock will be entitled to exchange  their common stock for  securities  or other
property  deliverable upon the occurrence of such event); and (3) in the case of
the matter referred to in (e) above,  the same notice as is given to the holders
of such registration rights.

     3.3 Information Rights. So long as the Holder holds this Warrant and/or any
of the  Shares,  the  Company  shall  deliver to the Holder (a)  promptly  after
mailing,  copies of all  communiques  to the  shareholders  of the Company,  (b)
within  ninety  (90) days after the end of each  fiscal  year of the Company the
annual  audited  financial  statements of the Company  certified by  independent
public  accountants of recognized  standing and (c) within  forty-five (45) days
after the end of each of the first  three  quarters  of each  fiscal  year,  the
Company's quarterly, unaudited financial statements.

     3.4  Registration  Under  Securities  Act of 1933, as amended.  The Company
agrees that the Shares shall be subject to the registration  rights set forth on
Exhibit C.

ARTICLE 4. MISCELLANEOUS.

     4.1 Term: Notice of Expiration. This Warrant is exercisable, in whole or in
part,  at any time and from time to time on or before  the  Expiration  Date set
forth above.  The Company shall give Holder  written notice of Holder's right to
exercise this Warrant in the form attached as Appendix III not more than 90 days
and not less than 30 days before the  Expiration  Date.  If the notice is not so
given,  the Expiration Date shall  automatically be extended until 30 days after
the date the Company delivers the notice to Holder,

     4.2 Legends.  This Warrant and the Shares shall be imprinted  with a legend
in substantially the following form:

                                       5
<PAGE>

     THIS SECURITY HAS NOT BEEN REGISTERED  UNDER THE SECURITIES ACT OF 1933, AS
     AMENDED,  AND MAY NOT BE SOLD, PLEDGED OR OTHERWISE  TRANSFERRED WITHOUT AN
     EFFECTIVE REGISTRATION THEREOF UNDER SUCH ACT OR PURSUANT TO RULE 144 OR AN
     OPINION OF  COUNSEL  REASONABLY  SATISFACTORY  TO THE  CORPORATION  AND ITS
     COUNSEL THAT SUCH REGISTRATION IS NOT REQUIRED.

     4.3  Compliance  with  Securities  Laws on  Transfer.  This Warrant and the
Shares issuable upon exercise this Warrant may not be transferred or assigned in
whole or in part without compliance with applicable federal and state securities
laws by the transferor and the transferee  (including,  without limitation,  the
delivery of  investment  representation  letters and legal  opinions  reasonably
satisfactory to the Company). The Company shall not require Holder to provide an
opinion of counsel if the  transfer is to an  affiliate of Holder or if there is
no material question as to the availability of current information as referenced
in Rule 144(c),  Holder represents that it has complied with Rule 144(d) and (e)
in reasonable  detail,  the selling broker  represents that it has complied with
Rule  144(f),  and the  Company is provided  with a copy of  Holder's  notice of
proposed sale.

     4.4 Transfer  Procedure.  Subject to the provisions of Section 4.3,  Holder
may  transfer  all or part of this  Warrant by giving the Company  notice of the
Warrant  being  transferred   setting  forth  the  name,  address  and  taxpayer
identification  number of the  transferee and  surrendering  this Warrant to the
Company  for  reissuance  to the  transferee(s).  Unless  the  Company is filing
financial  information  with the SEC pursuant to the Securities  Exchange Act of
1934, the Company shall have the right to refuse to transfer this Warrant to any
person who directly competes with the Company.

     4.5 Notices.  All notices and other  communications from the Company to the
Holder,  or vice  versa,  shall be deemed  delivered  and  effective  when given
personally  or mailed by  first-class  registered  or  certified  mail,  postage
prepaid,  at such  address  as may have been  furnished  to the  Company  or the
Holder,  as the case may be, in writing by the  Company or such Holder from time
to time.

     4.6  Waiver.  This  Warrant  and any term  hereof may be  changed,  waived,
discharged  or terminated  only by an instrument in writing  signed by the party
against which  enforcement of such change,  waiver,  discharge or termination is
sought.

     4.7  Attorneys'  Fees.  In the event of any  dispute  between  the  parties
concerning  the terms and  provisions of this Warrant,  the party  prevailing in
such  dispute  shall be  entitled  to  collect  from the  other  party all costs
incurred in such dispute, including reasonable attorneys' fees.

     4.8  Governing  Law.  This  Warrant  shall be governed by and  construed in
accordance  with the laws of the State of  California,  without giving effect to
its principles regarding conflicts of law.

                                       6
<PAGE>

                                  NQL Inc.

                                  By:     /s/ Robert O. Riiska
                                          -------------------------------------

                                  Name:   Robert O. Riiska
                                          -------------------------------------

                                  Title:  CFO
                                          -------------------------------------

                                       7
<PAGE>

                                   APPENDIX I

                               NOTICE OF EXERCISE

     1. The  undersigned  hereby  elects to purchase  _____ shares of the Common
Stock of NQL Inc. issuable  pursuant to the terms of the attached  Warrant,  and
tenders herewith payment of the purchase price of such shares in full.

     1. The  undersigned  hereby  elects to convert the  attached  Warrant  into
______ number of Shares in the manner specified in the Warrant.  This conversion
is exercised with respect to _____ Shares covered by the Warrant

     [Strike paragraph that does not apply.]

     2. Please issue a certificate or certificates  representing  said shares in
the name of the undersigned or in such other name as is specified below:

                           ---------------------------

                           ---------------------------

                           ---------------------------

                           ---------------------------

                           ---------------------------

     3. The undersigned represents it is acquiring the shares solely for its own
account  and not as a nominee for any other party and not with a view toward the
resale or distribution  thereof except in compliance with applicable  securities
laws.

---------------------------------------

---------------------------------------
(Signature)

---------------------------------------
(Date)

                                       8
<PAGE>

                                   APPENDIX II

                                CONVERSION NOTICE

                                       9
<PAGE>

                                  APPENDIX III

                     NOTICE THAT WARRANT IS ABOUT TO EXPIRE

                            ------------------, ----

----------------------------

----------------------------

----------------------------

----------------------------

Gentleperson:

     This is to advise you that the Warrant  issued to you described  below will
expire on May __, 2005.

Issuer:                                   NQL Inc.

Issue Date:                               May __, 2001

Class of Security Issuable:               Common

Exercise Prize Per Share:                 $_______

Number of hares Issuable:                 50,000

Procedure far Exercise:

         Please  contact  [name of contact  person at (phone  number)]  with any
         questions you may have concerning exercise of the Warrant. This is your
         only notice of pending expiration.

         NQL Inc.

         By:      ___________________________________

         Its:     ___________________________________

                                       10

<PAGE>

                                    EXHIBIT A

                              INTENTIONALLY OMITTED

                                       11
<PAGE>

                                    EXHIBIT B

                              INTENTIONALLY OMITTED

                                       12

<PAGE>

                                    EXHIBIT C

                               Registration Rights

     The Holder shall have the following  Registration Rights relating to shares
held by Holder pursuant to exercise of this Warrant ("Holder Shares").

     (1)  Registration.  If the Company at any time  proposes  for any reason to
register  authorized but unissued  shares of Common Stock held by the Company in
its treasury  ("Primary  Shares") or shares issued to Hampshire  Equity Partners
II, LP ("Hampshire  Registrable Shares") under the Securities Act (other than on
Form S-4 or Form S-8 promulgated under the Securities Act or any successor forms
thereto),  it shall  promptly  give written  notice to holders of the  Company's
Common Stock that are contractually  entitled to request  registration of shares
of Common Stock, of its intention to so register the Primary Shares or Hampshire
Registrable  Shares and,  upon the written  request,  given within 20 days after
delivery  of any such  notice  by the  Company,  of Holder  to  include  in such
registration  Holder  Shares  (which  request shall specify the number of Holder
Shares proposed to be included in such registration),  the Company shall use its
best efforts to cause all such Holder Shares to be included in such registration
on the same terms and conditions as the securities  otherwise being sold in such
registration;  provided,  however,  that if the managing underwriter advises the
Company that the inclusion of all of the Primary Shares, Holder Shares and other
unregistered   shares  ("Other   Shares")   proposed  to  be  included  in  such
registration would interfere with the successful  marketing  (including pricing)
of Primary Shares or Hampshire  Registrable  Shares proposed to be registered by
the Company,  then the number of Primary Shares,  Hampshire  Registrable Shares,
Holder  Shares and Other  Shares  proposed to be  included in such  registration
shall be included in the following order:

         (i)   first, the Primary Shares;

         (ii)  second, the Hampshire Registrable Shares, and

         (iii) third, the Holder Shares and Other Shares.

     (2) Expenses.  With respect to each registration  effected, all fees, costs
and expenses of and incidental to such  registration  and the public offering in
connection therewith shall be borne by the Company; provided,  however, that the
Holder  participating  in any such  registration  shall  bear  the  underwriting
discounts  and  selling  commissions  attributable  to the  shares  of  Holder's
Registrable Stock sold in such public offering.

     (3) Indemnification and Contribution.

          (a) To the fullest extent permitted by law, the Company will indemnify
     and hold  harmless  the  Holder  and any  underwriter  (as  defined  in the
     Securities  Act of 1993,  as  amended  (the  "Securities  Act")  acting for
     Holder,  and any person who controls such Holder or such underwriter within
     the meaning of the  Securities  Act, from and against,  and will  reimburse
     Holder and each such  underwriter and  controlling  person with respect to,
     any and all claims, actions, demands, losses, damages,  liabilities,  costs
     and expenses to which Holder or any such underwriter or controlling  person
     may become subject under the  Securities Act or otherwise,  insofar as such
     claims, actions, demands, losses, damages,  liabilities,  costs or expenses
     arise out of or are based  upon any  untrue  statement

                                       13
<PAGE>

     or  alleged  untrue  statement  of  any  material  fact  contained  in  any
     Registration  Statement,  any prospectus contained therein or any amendment
     or supplement thereto in which shares of the Holder are included,  or arise
     out of or are based upon the omission or alleged  omission to state therein
     a material  fact  required to be stated  therein or  necessary  to make the
     statements  therein not  misleading  or arise out of any  violation  by the
     Company of any rule or regulation  under the  Securities  Act applicable to
     the Company and  relating to action or inaction  required of the Company in
     connection with such registration; provided, however, that the Company will
     not be liable in any such case to the extent that any such  claim,  action,
     demand,  loss,  damage,  liability,  cost or expense is caused by an untrue
     statement or alleged  untrue  statement or omission or alleged  omission so
     made in reliance upon and in strict  conformity with information  furnished
     by  Holder,   such  underwriter  or  such  controlling  person  in  writing
     specifically for use in the preparation thereof.

          (b) If shares of the Holder are included in a registration, the Holder
     will  indemnify  and hold  harmless the Company from and against,  and will
     reimburse  the  Company  with  respect  to,  any and all  losses,  damages,
     liabilities,  costs or expenses  to which the  Company  may become  subject
     under the  Securities  Act or otherwise,  insofar as such losses,  damages,
     liabilities,  costs or expenses are caused by any untrue or alleged  untrue
     statement  of any  material  fact  contained  therein or any  amendment  or
     supplement  thereto,  or are caused by the omission or alleged  omission to
     state therein a material fact required to be stated therein or necessary to
     make the statements  therein,  in light of the  circumstances in which they
     are  made,  not  misleading,  in each case to the  extent,  but only to the
     extent,  that such untrue statement or alleged untrue statement or omission
     or alleged  omission was so made in reliance upon and in strict  conformity
     with written  information  furnished by Holder  specifically for use in the
     preparation thereof.

          (c) Promptly  after receipt by a party to be  indemnified  pursuant to
     the provisions of paragraph (a) or (b) (an indemnified  party) of notice of
     the  commencement  of  any  action  involving  the  subject  matter  of the
     foregoing  indemnity  provisions,  such indemnified  party will, if a claim
     thereof  is to be made  against  the  indemnifying  party  pursuant  to the
     provisions of paragraph (a) or (b),  notify the  indemnifying  party of the
     commencement  thereof; but the omission so to notify the indemnifying party
     will not relieve it from any liability  which it may have to an indemnified
     party  otherwise  than under the provisions of this paragraph and shall not
     relieve the indemnifying  party from liability under the provisions of this
     paragraph unless such indemnifying party is prejudiced by such omission. In
     case such action is brought against any  indemnified  party and it notifies
     the indemnifying party of the commencement  thereof, the indemnifying party
     shall have the right to  participate  in,  and,  to the extent  that it may
     wish,  jointly with any other  indemnifying  party similarly  notified,  to
     assume the defense thereof,  with counsel  reasonably  satisfactory to such
     indemnified  party,  and after notice from the  indemnifying  party to such
     indemnified  party of its  election so to assume the defense  thereof,  the
     indemnifying party will not be liable to such indemnified party pursuant to
     the provisions of such paragraph (a) and (b) for any legal or other expense
     subsequently  incurred by such  indemnified  party in  connection  with the
     defense  thereof  other  than  reasonable   costs  of   investigation.   No
     indemnifying  party  shall  be  liable  to an  indemnified  party  for  any
     settlement of any action or claim  without the consent of the  indemnifying
     party; no indemnifying  party may unreasonably  withhold its consent to any
     such  settlement.  No  indemnifying  party  will  consent  to  entry of any
     judgment  or enter  into  any  settlement  which  does  not  include  as an
     unconditional  term thereof the giving by the claimant or plaintiff to such
     indemnified  party of a release from all liability in respect to such claim
     or litigation.

                                       14

<PAGE>

     (4) Lock-Up Agreement. In consideration of the assumption by the Company of
its obligations hereunder,  Holder agrees in connection with any registration of
the  Company's  securities  that,  upon  the  request  of  the  Company  or  the
underwriter of any  underwritten  offering of the Company's  securities,  not to
sell,  make any short sale of,  loan,  grant any option for the  purchase of, or
otherwise  dispose of any  Registrable  Stock (other than those  included in the
registration)  without  the  prior  written  consent  of  the  Company  or  such
underwriters,  as the case may be,  for such  period of time (not to exceed  one
hundred eighty (180) days) from the effective date of such  registration  as the
Company or the underwriters may reasonably specify.

                                       15

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