Document:

Exhibit 10.13

                           CONTRACT SERVICES AGREEMENT

         THIS AGREEMENT is made and entered into this 29TH, day of JUNE 2000, by
and between CHINOOK TECHNOLOGIES  CORPORATION (herein referred to as "CHINOOK"),
a  Washington  corporation  with  its  principal  place of  business  at 3808 N.
Sullivan  Road,  Building  10,  Spokane,  WA 99216,  and  Kronos / High  Voltage
Integrated (HVI), (herein referred to as "CUSTOMER") with its principal place of
business at 13910 SE 23rd  Street,  Bellevue,  WA 98005,  with  reference to the
following facts:

                                    RECITALS

         A.   CUSTOMER   conducts  high  voltage  air  movement  business  which
requires specialty design services on a continuing basis.

         B.  CHINOOK is engaged in the  business of custom  product  design and
specialty manufacturing.

         C.   CHINOOK  agrees to  provide  the  required  services  to  CUSTOMER
according to the terms and conditions of this agreement.  Such services shall be
performed at CHINOOK's above-designated place of business.

         NOW,  THEREFORE,  in consideration  of the mutual  covenants  contained
herein,  the legal  sufficiency of which is  acknowledged by the parties to this
Agreement, CUSTOMER and CHINOOK hereby agree as follows:

1. DESCRIPTION OF WORK
         CHINOOK shall provide  contract labor services as may be requested from
time to time in project description orders which, as issued and accepted by both
parties, shall be incorporated into this agreement.

2. PAYMENT
a.  CUSTOMER  shall pay for the  services  provided by CHINOOK  according to the
attached Quote  HVI0500.  CUSTOMER  shall  reimburse  CHINOOK for all reasonably
necessary  material  and  supplies,  as well as other  expenses  such as  travel
expenses,  telephone  calls,  supplies  and  transportation  where  CUSTOMER has
provided prior  authorization or where reasonably  incurred by CHINOOK in making
changes  requested  by CUSTOMER in the  services to be  performed in any project
description order.
b. Invoices covering services  performed and charges incurred by CHINOOK will be
issued per the  attached  payment  schedule  and are payable  according to Quote
HVI0500, or if not stated, within thirty (30) days of the invoice date.

3. CHINOOK'S PERSONNEL
a. The  personnel  assigned by CHINOOK to perform the services  described in any
project  description  order  hereunder will be qualified to perform the assigned
duties.  CHINOOK reserves the right to determine which of its personnel shall be
assigned to any  particular  project and to replace or reassign  such  personnel
during a project.

<PAGE>

b. CHINOOK assumes  responsibility for its personnel providing
services hereunder and will make all deductions  required of employers by state,
federal,   and  local  laws,   including  deductions  for  social  security  and
withholding  taxes, and contributions for unemployment  compensation  funds, and
shall maintain worker's compensation and liability insurance for each of them.

4. RELATIONSHIP OF PARTIES
         The parties intend that an independent contractor-employer relationship
be  created by this  contract.  Nothing  contained  in this  Agreement  shall be
construed as creating a joint venture,  partnership  or employment  relationship
between the parties hereto. Except as specified herein, neither party shall have
the right,  power or implied authority to create any obligation or duty, express
or implied, on behalf of the other party hereto.

5. DATA SAFEGUARDS
         All written information, submitted by CUSTOMER to CHINOOK in connection
with services performed by CHINOOK under this agreement,  which is identified as
proprietary  information,  will be  safeguarded  by CHINOOK to at least the same
extent as CHINOOK safeguards like information  relating to its own business.  If
such data is publicly available,  is already in CHINOOK's possession or known to
it, or is rightfully obtained by CHINOOK from third parties,  CHINOOK shall bear
no responsibility for its disclosure, inadvertent or otherwise.

6. DURATION
a. The initial term of this contract shall commence on the 29TH day of JUNE, and
shall  continue in full force and effect  until  COMPLETED,  for a term of _____
(months/years),  unless  terminated  by mutual  agreement or by either party for
cause by the giving of written notice.
b. In the event of  termination,  CUSTOMER shall pay for all services  performed
and disbursements made by CHINOOK to the effective date of termination.

7. LIABILITY OF CHINOOK
a. CHINOOK  shall not be liable  for any  damages  caused by delay in  rendering
performance  hereunder  arising from any cause beyond the reasonable  control of
CHINOOK.
b. CHINOOK  shall  in  no  event  be  liable  for  any  incidental,  special  or
consequential damages, unless otherwise expressly agreed to in writing.
c. In no event shall CHINOOK's  liability for any services  performed  hereunder
exceed  the  amount of money  paid by  CUSTOMER  to  CHINOOK  under the  project
description order covering such services.

8. TERMS TO BE EXCLUSIVE

      The entire  agreement  between the parties  with respect to the subject
matter hereunder is contained in this agreement.  In the event CUSTOMER issues a
purchase order,  memorandum,  specifications  or other  instrument  covering the
services  provided  for in this  agreement,  such  purchase  order,  memorandum,
specifications,  or instrument is for CUSTOMER's  internal purposes only and any
and all terms and conditions contained herein, whether printed or written, shall
be of no force or effect.
<PAGE>

9. WAIVER OR MODIFICATION OF TERMS
         No waiver, alteration, or modification of any of the provisions of this
agreement  shall be binding  unless in writing  and signed by a duly  authorized
representative of CHINOOK and by CUSTOMER.

10. ASSIGNMENT
         Any  assignment  of this  agreement by either party without the written
consent of the other shall be void.

11. WRITTEN NOTICE
a. All  communications  regarding this  agreement  should be sent to CHINOOK and
CUSTOMER at the  address  set forth above  unless the other party is notified in
writing to the contrary.  Any written notice hereunder shall become effective as
of the date of  mailing  by  registered  or  certified  mail and shall be deemed
sufficiently  given  if sent to the  addressee  at the  address  stated  in this
agreement  or such other  address as may  hereafter  be  specified  by notice in
writing.

12. GOVERNING LAW
         This Agreement  shall be construed and enforced in accordance  with the
laws of the State of Washington.

         IN WITNESS  WHEREOF,  this  Agreement  has been executed by the parties
hereto as of the date first above written.

CHINOOK TECHNOLOGIES, INC. DEVELOPER             CUSTOMER

                                                 KRONOS AIR TECHNOLOGIES
----------------------------------------         -------------------------------
By : Ronald G. Stokes, CEO and President
                                                 By :  /s/ ROBERT FUHRIMAN II
                                                       -------------------------

                                                 Its : -------------------------
                                                                  C.O.O.

<PAGE>

                              CHINOOK TECHNOLOGIES

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

To:          Kronos Air Technologies
             Bothell, Wa
Attn:        Chip Wellington
             Igor Krichtafovitch

Gentlemen,
Here are some concepts  drawings for both the TUBE FAN and BERTH FAN. The jpeg's
I sent to Chip last night  printed out to dark and were  unsuitable  for faxing.
This caused us to produce  some quick line  drawings.  Take a look and  remember
these are CONCEPT DESIGNS that you requested and still can be changed.

Another  issue we need to have  closure on is the Design  Contract  and  payment
schedule.  We appreciate  the first  payment and look forward to finalizing  the
contract so we can move  forward on the  projects.  We will keep moving  towards
creating a drawing  package for shipment  Thursday but will need the to have all
the paperwork in order prior to shipping.

After your  return from D.C.  we will  schedule a design  review at Kronos to go
over things you want changed or explained. Sound acceptable?

Thank you,
/s/ Greg Somers
Greg Somers
Principal
CHINOOK Technologies, INC

                                                                    CONFIDENTIAL
--------------------------------------------------------------------------------
3808 N. SULLIVAN RD BLDG 10         SPOKANE, WA 99216               509.921.1443

<PAGE>

                                     CHINOOK

                                  TECHNOLOGIES

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

PROGRAM MANAGEMENT:
CHINOOK  will  interface  and manage all  logistics  with tool  quoting,  vendor
selection,  and first  article of  inspection.  This will  include  managing all
prototyping  and tooling  logistics  through  CHINOOK's  established  network of
vendors, many of which have assisted with past HVI programs.

DELIVERABLES:
              DESIGN:  Modular housing with modular array systems
              TOOLING:  Quoting, Selection, FAI and Tool Acceptance
              MANUFACTURING:     Provide the needed facilities and manufacturing
                                 capabilities  (with a Manufacturing  Agreement)
                                 Provide support through U.L. approval

NRE  TOTAL:                                                           $45,500.00

LEADTIME:  5-6 WEEKS

PROTOTYPES:   TIME AND MATERIAL IN ADDITION TO THE NRE (cost approved,  Purchase
              Order, invoices Net Due upon receipt by Kronos / HVI)

TOOLING:  ESTIMATED 6-10 WEEKS  (limiting  factors of shop load and complexity,
                                 quotes to be approved by Kronos / HVI, invoices
                                 to  be  paid  according  to  tooling  schedule)

NOTES:

1.  Quote is good for 30 days.
2.  Contract Service Agreement signed prior to any start
3.  Payment schedule:
           SCOPE I:   50% of total Scope I with P.O.
                      Remainder Net Due on delivery of Scope I prototype

           SCOPE II:  50% down of total NRE
           40% remainder Net Due on Design Completion
           10% remainder on tool completion
4.  P.O. to be approved prior to start of program.
5.  All travel and expenses to be approved and provided by customer.

<PAGE>

6.  Customer to pay for all  tooling and vendor NRE  directly to tool vendor per
    their payment terms.
7.  Additional work to be paid at time plus material by customer.

8.  This quote is based from scope decided upon between  customer and CHINOOK at
    start of  program.  If scope  changes  CHINOOK  has the right to requote for
    additional changes.

9.  For terms and  conditions  please  reference  the  attached  sheets  titled,
    "Contract Service Agreement."

Thank you for the opportunity to quote this job.
Greg Somers / Principal

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3808 N. SULLIVAN RD BLDG 10         SPOKANE, WA 99216               509.921.1443Exhibit 10.14

                                LETTER OF INTENT

     The purpose of this Letter of Intent,  dated effective as of July 17, 2000,
is to  summarize  the main terms of a  proposed  business  relationship  between
Kronos  Air  Technologies,   Inc.,  a  Nevada  corporation  ("KAT"),  and  Polus
Technologies,  Inc. ("Polus"),  pursuant to which Polus intends to assist KAT in
various activities in certain markets relating to the technologies developed and
owned by KAT, and devices  containing or embodying such  technologies,  commonly
known as  "Kronos."  KAT and Polus intend to commence  negotiations  and prepare
definitive agreements (collectively,  the "Definitive Agreements") in due course
after  the  date  hereof,  based  upon  the  matters  summarized  herein,  which
Definitive Agreements will be intended to set forth the rights, obligations, and
undertakings of the parties. The parties' stated intend to proceed expeditiously
to complete and sign this Letter of Intent and commence the activities described
herein is  believed  in good  faith to be in their  mutual and  respective  best
interests and they look forward to working together to accomplish their goals.

     Based  upon the  foregoing,  the main  terms of the  proposed  relationship
between KAT and Polus may be summarized as follows:

     A.   CONTRIBUTIONS  OF POLUS.  The parties intend that Polus actively exert
          its good faith best  efforts to seek and  promote  the  deployment  of
          Kronos in hospitals,  clinics, and other medical facilities in Poland,
          with similar activity for the further  deployment of Kronos in certain
          other countries of Eastern and Northern Europe. In connection with the
          foregoing,  in all such  markets  the  parties  intend that Polus will
          assume  responsibility  for, among other things,  (i) the arrangement,
          establishment,  and set-up of  necessary  and  suitable  manufacturing
          facilities,  (ii) conducting  marketing and  distribution  activities,
          (iii) compliance with legal and regulatory requirements, (iv) national
          and  local  government  liaison  and  relations,  (v)  protection  and
          enforcement of intellectual  property rights relating to Kronos,  (vi)
          general  facilitation  of all matters  necessary for the promotion and
          deployment of Kronos in the manner  contemplated  by the parties,  and
          (vii) day-to-day management of all business and other affairs relating
          to the activities contemplated in this paragraph A.

     B.   CONTRIBUTIONS  OF KAT. The parties  intend that KAT make available and
          provide  Kronos  in   applications   appropriate   for  deployment  in
          hospitals,  clinics,  and medical  facilities,  and provide such other
          cooperation  and assistance as Polus may reasonably  request from time
          to time to  facilitate  the  activities  contemplated  in  paragraph A
          above.

     C.   PURPOSE OF THIS LETTER OF INTENT. This Letter of Intent is intended by
          the parties as a statement  of their  interests  and mutual  intent to
          proceed  with the  activities  contemplated  in  paragraph A above and
          complete the Definitive Agreements,  and shall not of itself be deemed
          to grant or constitute any binding,  enforceable, or exclusive rights,

<PAGE>

          licenses, or obligations of the parties in or to Kronos, or any right,
          obligation,  offer,  or commitment of any of the parties to enter into
          the Definitive Agreements. The parties intend that any and all rights,
          obligations, offers, commitments, and licenses shall be contained only
          in the  Definitive  Agreements  executed and  delivered  by them.  The
          parties  do not intend  that  either of them be bound to each other by
          this Letter of Intent for damages,  expenses, failure to finally agree
          upon the terms and conditions of the Definitive Agreements,  or in any
          other  way.  The  parties  intend  that each of them  will bear  their
          respective  costs and expenses  associated  with this Letter of Intent
          and completion of the Definitive Agreements.

     D.   UNDERTAKING  OF  GOOD  FAITH.   Realizing  that  they  are  unable  to
          anticipate  and provide for every  contingency  which may arise during
          the course of their  relations  prior to execution and delivery of the
          Definitive   Agreements,   the  parties  intend  that   principles  of
          commercial good faith will govern and that they will at all times seek
          to enhance and  maximize the  economic  value of Kronos,  and amicably
          resolve any disputes which may arise between them.

     E.   PRESS RELEASE.  The parties intend to collaborate on the content of an
          appropriate  press  release  regarding the  transactions  contemplated
          herein, to be issued as soon as practicable following the date of this
          Letter of Intent.

     F.   FINDERS.  Neither  KAT nor  Polus has  utilized  the  services  of any
          finder,  directly or indirectly,  in connection with any introduction,
          negotiation,  or other proceeding relating to this Letter of Intent or
          the transactions  contemplated herein or in the Definitive Agreements,
          and no fees or other compensation is payable by either KAT or Polus to
          any finder in connection herewith or therewith.

     G.   PRIORITY OF THIS LETTER OF INTENT. The parties intend that this Letter
          of Intent supersede any and all prior communications,  understandings,
          statements of intent,  and agreements between them with respect to the
          subject mater hereof.

                        [SIGNATURES APPEAR ON NEXT PAGE]

     The parties'  execution in the space  provided  below shall  evidence their
acceptance of the terms of this Letter of Intent and that they intend to proceed
as outlined herein.

                                       2
<PAGE>

        Kronos Air Technologies, Inc.

        By:  /s/ W. Alan Thomson
             ---------------------------------
            Name:  W. Alan Thomson
                   ---------------------------
            Title:  President          7/18/00
                    --------------------------

        Polus Technologies, Inc.

        By:   /s/ Clyde W. Frank
            ---------------------------------
            Clyde W. Frank, President

                                       3

<PAGE>

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