Document:

EXHIBIT 10.16

                                 PROMISSORY NOTE

FOR VALUE  RECEIVED,  the  undersigned,  MICOR  TECHNOLOGIES,  INC.  An  Arizona
corporation,  promises  to pay to the order of WILLIAM B. MEGER the sum of forty
thousand dollars,  ($40,000.00) payable monthly,  with interest only at the rate
of six percent (65) per annum for a period of five (5) years,  sixty (60) months
from the date hereof and the  principle  balance shall be all due and payable in
the sixty-first month from the date hereof.

THE PROMISSORY NOTE shall be non-recourse  and unsecured and subordinated to all
other indebtedness of Micor Technologies, Inc.

This  note  shall  take  effect as a sealed  instrument  and is  enforceable  in
accordance  with  the laws of the  state  of  Arizona.  Dated  this  28th day of
November 1995.

                                      MICOR TECHNOLOGIES, INC.

                                      /s/ Jerry Washburn
                                      --------------------------
                                      By

                                      President
                                      --------------------------
                                      TitleEXHIBIT 10.17

                                 PROMISSORY NOTE

Dated this 31st day of July, 1997, in the principal amount of $285,000.00.

PARTIES - the makers are Micor Acquisitions, Inc., an Arizona corporation, Micor
Technologies, Inc. an Arizona corporation, Jerry Washburn, Twana J. Nugent, John
L. Day and Steven Stroblas, Arizona residents,  individually (hereafter referred
to as "Makers"  or the  "Management  Group").  The Holder is PF  Holdings,  Inc.
(PFH), an Arizona corporation.

LOAN - For value  received,  receipt  of which is hereby  acknowledged,  Makers,
limited  to their  respective  proportionate  interests  as  stated in the Stock
Purchase Agreement,  promise to pay to the order of Holder or assigns the sum of
two hundred and eighty-five thousand  ($285,000.00)  dollars,  including accrued
interest thereon at the rate of five (5%) percent per annum,  from July 31, 1997
through  the  maturity  date of this  note,  and until the note is paid,  at the
office of Holder or at such other place as Holder may designate.

TERM - The term of this loan shall be from July 31, 1997, through April 15, 2003
unless the principal plus interest is previously repaid.

PAYMENTS - Makers  shall pay a minimum  monthly  payment of  one-thousand  three
hundred  and  thirty-three  cents  ($1,333.33)  per month,  plus any  additional
payment as required herein as and for the first twelve payments due herein.  The
first such payment shall be due on the 15th day of April,  1998, with subsequent
payments due on the 15th day of April, 1999 and subsequent payments shall be due
on the 15th day of each succeeding month through the remainder of the term.

ADDITIONAL  PAYMENT:  Beginning  in the  month of April,  1998 and  every  month
thereafter  while this Note is  outstanding,  the Makers shall pay an additional
payment equal to ten (10%)  percent of teh amount of the gross monthly  receipts
of Micor  Technologies,  Inc.  for the  prior  month  which are in excess of one
hundred and twenty thousand  ($120,000.00) dollars. The additional payment shall
be paid along with the  monthly  installment  payment,  on or before the 15th of
each succeeding month.

The  additional  payment due shall be adjusted for  increases  in gross  monthly
receipts as follows:

$225,001 - 300,000         35% of the excess above $225,001
$300,001 and up            40% of the excess above $300,001

FINAL  PAYMENT:  a final payment shall be due on the 10th day of April,  2003 in
the amount of the remaining  unpaid  principal,  unpaid and accrued interest and
any other amounts due hereunder which have not previously been paid.

<PAGE>

ACCOUNTING  - Within  seven (7) days of the end of each  calendar  month,  Maker
shall,  at its own expense,  cause an  accounting  firm  acceptable to Holder to
review the Maker s bank statements to determine the amount of gross receipts for
the prior  month.  Maker's  accounting  firm shall  within three (3) days of the
completion  of that  review,  furnish  Holder  with a letter  stating  the gross
receipts of the Company as shown on the  banking  statements  for the Company in
the prior month.

PAYMENT METHOD - All sums payable hereunder shall be paid in lawful money of the
United states of America at the address of Holder.  All payments  hereunder will
be applied first to costs,  expenses or fees, if any, then to accrued  interest,
and then to principal.

SECURITY  - This note  shall be  secured  by  collateral  held  pursuant  to the
security Agreement executed concurrently herewith in favor of Holder.

PROCEDURAL  RIGHTS - Payments  which are delayed  more than ten (10) days beyond
their due date shall be deemed to be delinquent.  Holder, after the ten (10) day
grace period has expired,  shall give written  notice of  Non-Payment  to Makers
with a demand to cure the delinquency. If Makers have not cured the delinquency,
including any subsequent payments during the cure period, within sixty (60) days
of the date of the  Notice of Non  Payment,  Holder  may  declare a default  and
proceed  against the  collateral  or against the Makers  jointly and  severally.
After Notice has been given of  Non-Payment  as provided  herein,  and excepting
such  Notice of Non  Payment,  makers  agree that it will not be  necessary  for
Holder to  exhaust  its  remedies  against  Makers or others  liable  herefor to
enforce  payment of this Note.  Makers waive demand,  grace,  exhibition of this
Note, presentment for payment, notice of non-payment, protest, notice of protest
and all other notices,  filing of suit and diligence in collecting  this Note or
the release of any party primary or secondarily liable hereon. Makers agree that
they are jointly and severally liable under this note to the full extent hereof.

HOLDER S EXPENSES - In the event  Holder  hereof  utilizes  the  services  of an
attorney in  attempting  to collect the amounts due  hereunder or to enforce the
terms  hereof  or of any  agreements  or  security  agreements  relates  to this
indebtedness,  Makers, their successors or assigns,  shall pay to Holder hereof,
on demand, all costs and expenses so incurred,  including  reasonable attorney s
fees incurred after the entry of judgment hereon or the filing by or against any
Maker of any  proceeding  under any chapter of the  Bankruptcy  Code, or similar
federal  or  state  statute,   and  whether  incurred  in  connection  with  the
involvement of any Holder hereof as creditor in such proceedings or otherwise.

DUE ON SALE - If Makers, whether in a sale of substantially all of the assets of
Micor  Technologies,  Inc. or by sale of fifty-one  (51%)  percent of the common
stock of Micor  Technologies,  Inc. into any other  corporation in a accrued and
unpaid interest, to the Common Stock of Micor Technologies, Inc. This option may
be exercised  at a price of  seventy-five  ($.75) cents per share.  The exercise
price of this  option  shall be  adjusted  automatically  upon any change in the
capital  structure  of Micor  Technologies  or upon the sale of any cheap  stock
(stock issued at less than the option  price) to prevent  dilution of the option
rights granted herein.  Stock delivered  pursuant tot he exercise of this option
shall be in registered  for, or free trading  stock,  if available,  or shall be
delivered with a covenant,  by the issuer, to register the stock pursuant to its
next available registration.

<PAGE>

HOLDER S ADDRESS - Holder s address is 74 North  45th  Avenue,  Phoenix  Arizona
85043.

This Note shall be construed under the laws of the State of Arizona.

                                  MAKERS

                                  MICOR ACQUISITIONS, INC.

                                  BY: /s/ Jerry Washburn

                                  ITS: President

                                  MICOR TECHNOLOGIES, INC.

                                  BY: /s/ Jerry Washburn
                                  -----------------------------
                                  ITS: President

                                  /s/ Jerry Washburn
                                  -----------------------------
                                  Jerry Washburn, Individually

                                  /s/ Twana J. Nugent
                                  -----------------------------
                                  Twana J. Nugent, Individually

                                  /s/ John L. Day
                                  -----------------------------
                                  John L. Day, Individually

                                  /s/ Steven Stroblas
                                  -----------------------------
                                  Steven Stroblas, IndividuallyEXHIBIT 10.18

                           NOTE MODIFICATION AGREEMENT

This Note Modification Agreement,  (the "Agreement") is made as of the _____ day
of  February,  2000,  by and between  OneSource  Technologies,  Inc., a Delaware
corporation,  whose address is 7419 East Helm Drive, Scottsdale,  Arizona 85260,
and the Party whose name and address are set forth on the  signature  page below
(hereinafter referred to as "the Acquiring Party").

                                    Recitals

Whereas, One Source Technologies,  Inc. - Arizona dba Micor Technologies,  Inc.,
together with certain  principals  and  affiliates are obligated on a promissory
Note dated July 31, 1997 (the "Note") in the  principal  amount of  $285,000.99;
and

Whereas, the aforesaid note is subject to an option to convert the principal and
unpaid interest to stock in Micor Technologies,  Inc. at a price of seventy-five
($.75) cents per shares; and

Whereas,  it is the desire of the holding company of Micor  Technologies,  Inc.,
OneSource  Technologies,  Inc. (the  "Holding  Company") to secure an investment
partner which will purchase the aforesaid  Norte from its Holder and convert the
Note into shares in th Holding Company; and

Whereas, the Acquiring Party, in consideration of the information to be provided
by the  Holding  Company  desires ti acquire  the Note and convert it as recited
above in the stock of the Holding Company and to become an investor therein, and
the aforesaid  Acquiring  Party does further agree,  upon the acquisition of the
Note, to modify the Note as set forth below;

Now Therefore in Consideration of the Mutual Promises, Covenants and Other Legal
Consideration Receipt Of which is Hereby Acknowledged it is Hereby Agreed:

                                   Agreements

1.  Acquiring  Party  agrees  that the  information  furnished  to it by Holding
Company  will be used solely for the purpose of the  evaluation  and analysis of
the  investment  opportunity  and  for  the  acquisition  of the  Note,  and its
conversion  into the common  stock of the Holding  Company at the rate stated in
the  Note,  as set  forth  in te  recitals  and  that  the  information  and the
opportunity  to  acquire  the stock and  convert  the Note shall be the sole and
exclusive  use  made  of  the  information  by the  Acquiring  Party,  that  the
information  shall not be transmitted or disclosed to any other investment group
or other party  whatsoever  ans shall be held by Acquiring  Party and treated as
strictly  confidential and proprietary,  and further that the information  shall
not  be  used  in  circumvention  of  the  purposes  of  this  Agreement,  or in
circumvention  of the  investment  position of the parties  named in the Note as
obligors in any way..  Acquiring  Party further agrees not to use information in
any commercial manner outside of this Agreement.

2.  Acquiring  Party agrees that upon  acquisition  of the note, and pursuant to
this Agreement,  that the note shall be enforceable  solely by conversion of the
Note to common stock in the Holding

<PAGE>

Company,  by  conversion  of the  principal  amount  if the Note,  plus  accrued
interest at a rate of  seventy-five  ($.75) cents per share and Acquiring  Party
hereby waives any right a) to demand  monthly  payment(s)  under the Note. b) to
enforce  any  security  interest  taken  to  secure  payment  of the Note in any
property,  securities  or other  collateral  of One Source  Technologies,  Inc -
Arizona,  or c) to enforce any security interest in any property,  securities or
other collateral furnished by any other party to the note or Security Agreement.

3.  Acquiring  Party agrees that the terms of this  Agreement  respecting a) the
confidentiality  of  the  information  furnished,  b)  non-circumvention  of the
interests of the Holding Company, its subsidiary which made the Note and each of
the  other  co-makers  of the  Note,  and c) the  enforceability  of the Note by
conversion into the common stock of the Holding Company, and the Holding Company
agrees that its  obligations  to convert the Note in the hands of the  Acquiring
Party,  are  obligations  which  are  equitable  in  nature,  that each of these
obligations  is such that the violation of the terms of this Agreement by either
party will cause such claims or defenses as it may have which are  contradictory
to or in  derogation  of the  intent  and  purpose  of this  Agreement,  whether
equitable or otherwise including but not limited to those provided by the strict
terms of the Note, the Security  Agreement,  and any other  previously  executed
legal  document with respect  thereto,  the uniqueness of the securities and the
ability of Acquiring  party to acquire  replacement  securities in any public or
private market, and the  confidentiality or public knowledge with respect to the
Note or the Holder thereof,  and each party hereto agrees that upon violation or
threatened violation of the aforementioned terms of agreement that the aggrieved
party, or their co- makers or affiliates,  as the case may be, shall be entitled
to  injunctive  relief,  and to  such  other  remedies  as are  appropriate  and
necessary to prevent the breach or threatened  breach of the terms hereof as are
necessary to make the injured party whole,  it being agreed and  acknowledged by
the parties that remedies at law would be inadequate.

4. Return of  Information.  Acquiring  Party shall  return all  proprietary  and
confidential  information  delivered  to it by Holding  Company or  belonging to
Holding Company, within ten (10) days of a demand from Holding Company to return
said information.  Said information shall be returned to OneSource Technologies,
Inc. at 7419 East Helm Drive, Scottsdale, Arizona 85260 or at such other address
as  specified by Holding  Company or made by  Acquiring  Party shall be returned
pursuant to this paragraph.  Acquiring Party shall not retain copies of any said
information.

5. Standard of Care.  The standard of care to be utilized by Acquiring  Party in
connection with the fulfillment of its obligations set forth herein shall be the
higher of the standard of care used by  Acquiring  Party in dealing with its own
confidential  and  proprietary  information  or the  standard  of  care  which a
reasonable   person  would  use  in  protecting   information  which  they  deem
confidential and proprietary.

6.  Governing Law. This Agreement is entered into in the State of Arizona and is
to be interpreted and construed according to the laws of the State of Arizona or
of the federal Courts whose jurisdiction  includes the State of Arizona,  unless
all such  courts  refuse ti  exercise  jurisdiction,  either  by order,  rule or
statute,  in which  event any such  litigation  may be filed in azny court which
will exercise jurisdiction. All parties hereto consent to jurisdiction and venue
in the State of Arizona, County of Maricopa.

<PAGE>

7. Entire  Agreement.  This Agreement  constitutes  the entire  agreement by and
between the parties hereto,  concerning the subject matter hereof and supercedes
any and all prior or contemporaneous  agreements or understandings  with respect
to the subject  matter  hereof,  and may not be  modified  ir amended  except by
written agreement and executed by all parties hereto.

8. Waiver.  No waiver of any breach of any  provision  hereof shall operate as a
waiver  of the same or any other  provision  hereof.  Failure  to  enforce  this
Agreement  in  connection  with any breach  hereof  shall not waive the right of
either party to enforce this Agreement in connection with any breach hereof.

9. Construction.  This Agreement is intended to express the mutual intent of the
parties, and irrespective of the identity of the party preparing this Agreement,
no rule of strict construction against the party preparing any document shall be
applied.

10.  Authority.  Each of the parties  hereto,  on behalf of themselves and their
respective  companies,  represents and warrants that they have full authority to
execute this Agreement on behalf of their company.

11. Waiver of Jury Trial.  ALL PARTIES  HERETO HEREBY WAIVE TRIAL BY JURY IN ALL
CASES AND ALL  LITIGATION IN ANY WAY RELATED TO OR ARISING OUT OF THIS AGREEMENT
AND/OR THE TRANSACTION  CONTEMPLATED  BY THIS  AGREEMENT.  THIS AGREEMENT MAY BE
FILED WITH ANY COURT AS A WRITTEN WAIVER AND SHALL HAVE FULL FORCE AND EFFECT AS
A WAIVER AS IF THIS DOCUMENT WERE AN EXECUTED PLEADING FILED WITH THE COURT.

The undersigned  hereby acknowledge that they heave received a copy of the above
and foregoing Agreement,  that they have read and understand the Agreement,  and
that they agree to abide by the terms of this Agreement.

IN  WITNESS  WHEREOF,  the  undersigned  have  executed  this Note  Modification
Agreement as of the day and year first above written.

Disclosing Party:

OneSource Technologies, Inc.

By:___________________________________
Its:___________________________________

Acquiring Party:

By:
----------------------
Printed Name:
Address:

Telephone Number:

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