Document:

<PAGE>

                                                                   Exhibit 10.23

The confidential portions of this exhibit, which have been removed and
replaced with an asterisk, have been omitted and filed separately with the
Securities and Exchange Commission pursuant to a request for confidential
treatment under Rule 406.

                                LICENSE AGREEMENT

      This Agreement, effective the 5th day of August, 1996, is by and between
EVANS CAPACITOR COMPANY, a Delaware corporation having a place of business at 33
Eastern Avenue East Providence, RI (hereinafter referred to as "ECC"), and
Wilson Greatbatch Ltd., a New York corporation having its principal place of
business at 10,000 Wehrle Drive, Clarence, New York 14031 (hereinafter referred
to as "WGL").

      WHEREAS, ECC represents that it is the owner of the patents and pending
patent applications set forth in the schedule marked Exhibit A, attached hereto
and hereby made a part hereof, and of the Evans Capacitor Technology as set
forth herein; and

      WHEREAS, WGL wishes to acquire a license under the aforesaid patent and
patent applications of ECC, and to the aforesaid Evans Capacitor Technology, and
ECC is willing to grant WGL such a license under the terms and conditions
hereinafter set forth;

      NOW, THEREFORE, the parties hereto agree as follows:

      1. As used in this Agreement, the following terms shall have the following
meanings:

            a. The term "Patent Rights" shall mean (1) the patent and patent
applications set forth in Exhibit A attached hereto

<PAGE>
                                     - 2 -

and hereby made a part hereof, any corresponding foreign patent applications
hereafter filed, and any patents issuing on any of said applications, (2) any
and all reissues, renewals and extensions of any of said patents, and (3) any
and all divisions, continuations and continuations-in-part of, substitutions for
and additions to any of said patent applications and all patents issuing
thereon, as well as any and all reissues, renewals and extensions of any patents
issuing thereon.

            b. The term "Licensed Product" shall mean any capacitor product for
medical applications covered by, or manufactured by a process covered by, one or
more claims of an unexpired patent which have not been held invalid or
unenforceable by a final decision which has not been appealed, or of an allowed
or accepted patent application, included in the Patent Rights.

            c. "Net Sales" of any Licensed Product shall mean the gross invoice
price received therefor, less any allowance for returns and less (to the extent
separately stated on such invoice and actually deducted from the gross invoice
price) any prompt payment or trade discounts and allowances and any sales, use
or other excise taxes and shipping charges included in such invoice price. "Net
Sales" of any Licensed Product not sold as such, but sold as a component or
constituent of other products, shall mean

<PAGE>
                                     - 3 -

the WGL standard list price for such Licensed Product to offset at that time.

            d. "Affiliate" shall mean any and all corporations

                  (1) fifty percent (50%) or more of the voting stock of which
is owned or controlled directly or indirectly by WGL, or

                  (2) which own or control directly or indirectly more than
fifty percent (50%) of the voting stock of WGL, or

                  (3) More than fifty percent (50%) of whose voting stock is
owned or controlled directly or indirectly by a corporation owning or
controlling directly or indirectly more than fifty percent (50%) of the voting
stock of WGL, but any such corporation shall be deemed an "Affiliate" only so
long as such ownership is in effect.

            e. "Effective Date" of this Agreement shall mean the date first
above appearing on page 1 of this Agreement.

            f. "Term" of this Agreement shall be from the Effective Date to the
date of expiration of the last expiring patent in the Patent Rights, subject to
earlier termination as hereinafter provided.

<PAGE>
                                     - 4 -

            g. "Licensed Year" shall mean the year commencing with the Effective
Date and each anniversary year thereafter.

            h. "Evans Capacitor Technology" shall have the same meaning as in
the August 8, 1994 Option Agreement between WGL and The Evans Findings Company,
predecessor in interest of ECC.

            i. "Know-How" shall mean the Evans Capacitor Technology developed
prior to August 6, 199S and reasonably necessary to practice the inventions of
the Patent Rights.

      2. a. ECC hereby grants to WGL and its Affiliates a license under the
Patent Rights; to make, have made, use and sell Licensed Products, throughout
the world, for the Term of this Agreement, together with a license to use the
Know-How in connection with the manufacture, use and sale of Licensed Products,
both during the Term of this Agreement and thereafter.

            b. It is understood and agreed that the licenses granted to WGL and
its Affiliates under subparagraph (a) above of this paragraph 2 shall be
exclusive for implantable applications.

      3. a. For the license rights granted to WGL and its affiliates under
paragraph 2 above, WGL shall, within thirty (30) days following the end of each
Licensed Year quarter, pay ECC as earned royalties,   *   of the Net
Sales of all

<PAGE>
                                     - 5 -

Licensed Products sold by WGL and its Affiliates during the immediately
preceding quarter, during the Term of this Agreement.

            b. No earned royalty shall be due under subparagraph a. above of
this paragraph 3 on Licensed Products that are tested or used for quality
control purposes or used as sales samples, by WGL or its Affiliates, or for the
use of the Know-How.

            c. Beginning with calendar year 1998, WGL may credit the fifty
thousand dollar ($50,000) option payment made under paragraph 2 of the August 8,
1994 Option Agreement between WGL and The Evans Finding Company, predecessor in
interest of ECC, against earned royalties, as being an advance payment thereof.

            d. In order to maintain this Agreement in effect, WGL agrees to pay
to ECC a minimum annual royalty, creditable against earned royalties, equal to
forty-five thousand dollars ($45,000). If earned royalties for any Licensed Year
have not at least equalled said minimum royalty, then, with the earned royalty
payment for the last quarter of that Licensed Year WGL shall include an amount
sufficient to bring the total royalty paid for that Licensed Year to said
minimum annual royalty amount. Said minimum royalty shall be prorated for any
Licensed Year of less than twelve (12) months duration.

<PAGE>
                                     - 6 -

            e. Only one royalty shall be due for any one Licensed Product,
regardless of the number of patents or patent applications embodied in Patent
Rights which way be involved.

      4. a. All royalties payable under paragraph 3 above shall be paid in
United States dollars. In computing the royalty due, any conversion of foreign
currency into United States dollars shall be made at the closing rate for buying
such foreign currency as quoted by Citicorp, in New York City for the last
business day of the period covered by the accounting being made.

            b. WGL and its Affiliates shall keep true and complete books of
account of sales or Licensed Products, sufficient for calculation of the amount
of royalty due under paragraph 3 above and to determine the accuracy of such
calculation. With each royalty payment due under paragraph 3 above, WGL shall
furnish ECC a written report of the sales of Licensed Products by WGL and its
affiliates for the period being reported. ECC shall have the right to have such
books of account examined by an independent CPA during normal business hours,
but not more than once in any Licensed Year, as way be necessary to determine
the correctness of any of the reports rendered by WGL hereunder, provided,
however, that any examination with respect to such books of account for any
Licensed Year shall be made within three years after the end of such Licensed
Year and

<PAGE>
                                     - 7 -

further provided that such CPA shall maintain confidential all information
obtained from such examination.

      5. Exhibit A sets forth all patents and patent applications presently
owned by ECC and relating to the Evans Capacitor Technology. Any patent or
patent application hereafter acquired by ECC and claiming the Evans Capacitor
Technology or improvements therein as an inventive concept, shall automatically
be included in Patent Rights, to the extent ECC has the right to do so. ECC
agrees to inform WGL, in writing, of any such additional patents and patent
applications, and to inform WGL in writing when patents issue on any patent
applications within the Patent Rights.

      6. WGL shall have the right to assign its rights under this License
Agreement to the successor to substantially the entire business of WGL to which
this Agreement relates. WGL may not otherwise sublicense or assign any of its
rights under this Agreement, without the prior written approval of ECC.

      7. ECC agrees that if it grants a license under the Patent Rights or any
of them to another party for non-implantable medical applications on royalty
terms which are more favorable to said third party than the term set forth
herein, it shall promptly inform WGL thereof and WGL shall be entitled to elect

<PAGE>
                                     - 8 -

the more favorable royalty terms for non-implantable medical applications in
lieu of the terms hereof.

      8. ECC may terminate this Agreement upon ninety days (90) days prior
written notice in the event of any default by WGL under this Agreement,
provided, however that if WGL corrects such default during such ninety (90)
days, this Agreement shall continue in full force as if such notice had not been
given.

      9. WGL may terminate this License Agreement as of the end of any Licensed
Year, upon sixty (60) days advance written notice, and upon payment of any
unpaid royalties due as of the effective date of termination, including the
minimum royalty due for the Licensed Year during which termination takes place.

      10. WGL agrees to apply an appropriate patent notice to the Licensed
Products, or the packaging therefor, and to consider the reasonable suggestions
of ECC in connection therewith.

      11. All costs of obtaining patents in the Patent Rights, and payment of
maintenance fees to keep the same in force, shall be borne by ECC.

      12. As part of the consideration for the licenses granted under paragraph
2 above, WGL hereby grants ECC a royalty-free, worldwide, nonexclusive license
to use any improvements made by

<PAGE>
                                     - 9 -

WGL personnel in the Evans Capacitor Technology, on or before August 8, 1995,
for any purpose other than medical applications. The license granted ECC in this
paragraph 12 shall be co-terminus with the license granted WGL under this
Agreement.

      13. It is understood and agreed that ECC will own all rights to any
improvements made after August 8, 1995 by ECC personnel or by personnel of said
The Evans Findings Company in the Evans Capacitor Technology, and WGL will have
the right to negotiate a license with ECC for such improvements for medical
applications. WGL will own all rights to any improvements made after August 8,
1995 by WGL personnel in the Evans Capacitor Technology and ECC will have the
right to negotiate a license with WGL for such improvements for non-medical
applications.

      14. If WGL informs ECC of an infringement of any of the Patent rights
by a third party, by reason of the manufacture, use or sale of a capacitor
for a medical application, ECC shall be responsible for stopping such
infringement. If ECC does not stop such infringement within six (6) months of
receiving written notice thereof from WGL, the earned royalty rate to be paid
by WGL under paragraph 3a. above shall drop to   *   at Net Sales, and WGL
shall have no further minimum royalty obligation under paragraph 3d. until
ECC does succeed in stopping such infringement, or until ECC initiates and
diligently pursues legal action against such infringer.

<PAGE>
                                     - 10 -

      15. ECC shall not be liable to WGL, or any other party for any injury,
loss or damage of any kind or nature arising out of or in connection with or
resulting from any Licensed Product made, used or sold by WGL or by an
affiliate.

      16. This Agreement shall be construed in accordance with the laws of the
State of New York.

      17. This Agreement represents the entire agreement between the parties
with respect to the subject matter hereof, and may be amended only by a written
instrument or instruments signed on behalf of the parties hereto.

      IN WITNESS WHEREOF, the parties have caused this Agreement to be executed
as of the day and year first above written.

EVANS CAPACITOR COMPANY                 WILSON GREATBATCH LTD.

By: /s/ David A. Evans                  By: /s/ Curtis F. Holmes
   --------------------------------        -------------------------------------
   David A. Evans, President               Curtis F. Holmes, Ph.D.
                                           Vice President, Technology
<PAGE>

                                    EXHIBIT A

                     Patents and Pending Patent Applications

U.S. Patent 5,098,485
U.S. Patent 5,369,547
U.S. Patent 5,469,325

USSN 08/514,145 filed 8/11/95, allowed
USSN 08/635,696 filed 4/22/96, pending

PCT Application US94/02882
PCT Application US95/09743

Australia 70280/94 filed 8/15/94
Canada 2,158,165 filed 9/12/95
Europe 94912797.1, 9/21/95<PAGE>

                            STOCK PURCHASE AGREEMENT

     This STOCK PURCHASE AGREEMENT is made as of May 1, 2000, by JAMES K. STONE
and PATRICE A. STONE, individuals residing at 1935 North 600 East, Orem, Utah
(collectively referred to as "Buyer"), VENTURI TECHNOLOGIES, INC., a Nevada
corporation whose address is 763 North 530 East, Orem, Utah 84097 ("VTI" or
"Seller"), and VENTURI FLOOD & FIRE RESTORATION, INC., a Utah corporation whose
address is 763 North 530 East, Orem, Utah 84097 ("VFFR" or the "Company").

                                    RECITALS

     A.   Seller owns all of the issued and outstanding capital stock (the
"Shares") of VFFR.

     B.   Sellers desire to sell, and Buyer desires to purchase, all of the
Shares for the consideration and on the terms set forth in this Agreement.

                                    AGREEMENT

     The parties, intending to be legally bound, agree as follows:

1.   SALE AND TRANSFER OF SHARES; CLOSING

     1.1  PURCHASE AND SALE OF SHARES. Subject to the terms and conditions of
this Agreement, at the Closing, Seller will sell and transfer the Shares to
Buyer, and Buyer will purchase the Shares from Seller. The parties acknowledge
that at or prior to the closing, Seller will cause to be transferred to the
Company certain assets and liabilities used by Seller in the restoration portion
of its business in Salt Lake City, Orem and Dallas.

     1.2  PURCHASE PRICE. At the Closing, Buyer will pay or deliver to Seller
the following as consideration for the Shares of VFFR:

          (a)  Cash or a promissory note in the amount of $3,175.60 representing
               the parties' best estimate of the difference between the book
               value of the assets and the liabilities then held by VFFR;

          (b)  An Indemnification Agreement in the form of Exhibit "A" pursuant
               to which Buyer and the Company will indemnify and hold Seller
               harmless from any debts, claims, obligations or liabilities (i)
               incurred by VTI prior to May 1, 2000 that arise out of or relate
               to the conduct by VTI of its restoration business in Salt Lake
               City, Orem and Dallas, or (ii) incurred by VFFR either before or
               after May 1, 2000;

          (c)  A Pledge Agreement in the form of Exhibit "B" pursuant to which
               Buyer will pledge to Seller (i) the Shares, and (ii) all of
               Buyer's 50,432 shares of Seller's

<PAGE>

               $0.001 par value common stock, as security for the payment by
               VFFR of all debts, claims, obligations and liabilities assumed
               and undertaken by VFFR pursuant to a Liabilities Undertaking
               dated as of May 1, 2000;

          (d)  A Confidentiality and Non-Compete Agreement in the form of
               Exhibit "C" pursuant to which Buyer agrees to maintain the
               confidentiality of Seller's confidential information and agrees
               not to compete against Seller for a period of four (4) years.

     1.2  Closing. The purchase and sale (the "Closing") provided for in this
Agreement will take place at the offices of Venturi at 763 North 530 East, Orem,
Utah 84097, at 12:00 Noon (local time) on May 9, 2000, or such other place, time
and date agreed to by the Parties. The sale shall be effective as of May 1,
2000, regardless of the actual date of Closing.

     1.5  Closing Deliveries.

          1.5.1 Sellers' Documents. At the Closing, Sellers will deliver to
          Buyer:

          (a) a certificate representing the Shares, duly endorsed (or a duly
          executed stock power transferring the Shares to Buyer).

          1.5.2 Buyer's Documents. At the Closing, Buyer will deliver to
          Sellers:

          (a) an Indemnification Agreement executed by Buyer and by the Company
          pursuant to which Buyer and the Company will indemnify and hold Seller
          harmless from any debts, claims, obligations or liabilities (i)
          incurred by VTI prior to May 1, 2000 that arise out of or relate to
          the conduct by VTI of its restoration business in Salt Lake City, Orem
          and Dallas, or (ii) incurred by VFFR either before or after May 1,
          2000;

          (b) a Pledge Agreement signed by Buyer pursuant to which Buyer will
          pledge (i) the Shares, and (ii) all of his shares of Seller's $0.001
          par value common stock, as security for the payment by VFFR of all
          debts, claims, obligations and liabilities that VFFR has assumed or
          undertaken pursuant to a Liabilities Undertaking entered into as of
          May 1, 2000, accompanied by Buyer's duly endorsed original stock
          certificates representing said shares and undated, signed stock powers
          to be held by Seller pursuant to the terms of the Pledge Agreement.

          (c) a Confidentiality and Non-Compete Agreement pursuant to which
          Buyer agrees to maintain the confidentiality of Seller's confidential
          information and agrees not to compete against Seller for a period of
          four (4) years.

                                       -2-
<PAGE>

2.   REPRESENTATIONS AND WARRANTIES OF SELLER

     Buyer James K. Stone acknowledges that he has been a member of the board of
directors of Seller and of VFFR since at least the time that Seller acquired
VFFR, and that since at least that amount of time he has been primarily
responsible for operations of Seller's restoration business in Salt Lake City,
Orem and Dallas. Consequently, Buyer has actual knowledge of matters regarding
the financial condition and operations of the restoration portion of Seller's
business. The representations and warranties of Seller with respect to VFFR and
the restoration portion of Seller's business are therefore limited to the
following matters as to which Buyer may not have actual knowledge. Seller
represents and warrants to Buyer as follows:

     2.1  ORGANIZATION AND GOOD STANDING. VFFR is a corporation duly organized,
validly existing, and in good standing under the laws of the State of Utah, with
full corporate power and authority to conduct its business as it is now being
conducted, to own or use the properties and assets that it purports to own or
use, and to perform all its obligations under applicable contracts.

     2.2  AUTHORITY. This Agreement constitutes the legal, valid, and binding
obligation of Seller, enforceable against Seller in accordance with its terms.
Seller has the absolute and unrestricted right, power, authority, and capacity
to execute and deliver this Agreement and the Seller's Closing Documents and to
perform its obligations under this Agreement and under the Seller's Closing
Documents.

     2.3  NO CONFLICT. Neither the execution and delivery of this Agreement nor
the consummation or performance of any of the contemplated transactions by
Seller will violate or constitute a default under any mortgage, indenture, deed
of trust, lease, contract, agreement, license or other instrument or any order,
judgement or ruling of any governmental authority to which Seller is subject, or
to the best knowledge of Seller, any of the property of VFFR is bound, or result
in the creation of any mortgage, pledge, lien, charge or encumbrance upon any of
the assets of VFFR or the loss of any license or other contractual right with
respect thereto, except in each case for any of the foregoing which is not,
individually or in the aggregate, material to VFFR. Neither Seller nor VFFR is
or will be required to give any notice to or obtain any consent from any person
in connection with the execution and delivery of this Agreement or the
consummation or performance of the transaction contemplated hereby.
Notwithstanding the foregoing, no representations are made as to whether the
transaction contemplated herein conflicts with the Notice of Federal Tax Lien
filed with respect to Seller on or about April 6, 2000.

     2.4  CAPITALIZATION. The authorized capital stock of VFFR consists of
50,000 shares of common stock, no par value per share, of which 10,000 shares
are issued and outstanding and constitute the Shares. Seller is and will be on
the Closing Date the record and beneficial owner and holder of the Shares, free
and clear of all encumbrances. All of the outstanding equity securities of VFFR
have been duly authorized and validly issued and are fully paid and
nonassessable. There are no contracts relating to the issuance, sale, or
transfer of any equity securities or other securities of VFFR. None of the
outstanding equity securities or other securities of VFFR was issued in
violation of the Securities Act or any state law regulating the sale and
issuance of securities. VFFR does not

                                       -3-
<PAGE>

own, nor does it have any contract to acquire, any equity securities or other
securities of any other business or any direct or indirect equity or ownership
interest in any other business.

     2.5  TITLE TO PROPERTIES; ENCUMBRANCES. Seller has delivered to Buyer a
complete and accurate list of all real and personal property interests owned by
VFFR. All material properties disclosed as being owned by VFFR are owned by VFFR
subject to existing liens and encumbrances, including, but not limited to, liens
and encumbrances that may have been imposed by federal and state taxing
authorities. Seller makes no representations or warranties with respect to liens
claimed by federal or state taxing authorities.

3.   REPRESENTATIONS AND WARRANTIES OF BUYER

     Buyer represents and warrants to Sellers as follows:

     3.1  AUTHORITY; NO CONFLICT. This Agreement constitutes the legal, valid,
and binding obligation of Buyer, enforceable against Buyer in accordance with
its terms. Upon the execution and delivery by Buyer of this Agreement, the
Indemnification Agreement, the Pledge Agreement and the Confidentiality and
Non-Compete Agreement (collectively, the "Buyer's Closing Documents"), the
Buyer's Closing Documents will constitute the legal, valid, and binding
obligations of Buyer, enforceable against Buyer in accordance with their
respective terms. Buyer has the absolute and unrestricted right, power, and
authority to execute and deliver this Agreement and the Buyer's Closing
Documents and to perform its obligations under this Agreement and the Buyer's
Closing Documents. Neither the execution and delivery of this Agreement nor the
consummation or performance of any of the transactions contemplated hereby will
give any person the right to prevent, delay, or otherwise interfere with any of
the transactions contemplated hereby.

     3.2  CERTAIN PROCEEDINGS. There is no pending legal proceeding that has
been commenced against Buyer and that challenges, or may have the effect of
preventing, delaying, making illegal, or otherwise interfering with, any of the
transactions contemplated hereby. To Buyer's knowledge, there exist no grounds
for such proceeding, nor has any such proceeding been threatened.

     3.3  BROKERS OR FINDERS. Buyer and its officers and agents have incurred no
obligation or liability, contingent or otherwise, for brokerage or finders' fees
or agents' commissions or other similar payment in connection with this
Agreement and will indemnify and hold Sellers harmless from any such payment
alleged to be due by or through Buyer as a result of the action of Buyer or its
officers or agents.

4.   COVENANTS OF SELLER PRIOR TO CLOSING DATE

     4.1  TRANSFER OF ASSETS AND LIABILITIES FROM SELLER TO VFFR. At or prior to
the Closing, Seller shall transfer and assign to VFFR all of its assets used
exclusively in connection with its restoration business in Salt Lake City, Orem
and Dallas, and all of its debts, obligations and liabilities arising out of or
related to those assets or arising out of Seller's restoration business in those
cities prior to

                                       -4-
<PAGE>

May 1, 2000. It is the intent of the parties that at the time of the Closing,
VFFR will own all of Seller's restoration assets and will have assumed all of
Seller's restoration liabilities.

     4.2  REASONABLE EFFORTS. Between the date of this Agreement and the Closing
Date, Sellers will use their reasonable efforts to cause the conditions to
closing set forth in this Agreement to be satisfied.

5.   COVENANTS OF BUYER PRIOR TO CLOSING DATE

     5.1  APPROVALS OF GOVERNMENTAL AUTHORITIES. As promptly as practicable
after the date of this Agreement, Buyer will make all filings and obtain all
consents required by applicable laws and regulations in order to consummate the
transactions contemplated hereby.

     5.2  REASONABLE EFFORTS. Between the date of this Agreement and the Closing
Date, Buyer will use its reasonable efforts to cause the conditions to closing
set forth in this Agreement to be satisfied.

6.   CONDITIONS PRECEDENT TO BUYER'S OBLIGATION TO CLOSE

     Buyer's obligation to purchase the Shares and to take the other actions
required to be taken by Buyer at the Closing is subject to the satisfaction, at
or prior to the Closing, of each of the following conditions (any of which may
be waived by Buyer, in whole or in part):

     6.1  TRANSFER OF ASSETS AND LIABILITIES TO VFFR. All of Seller's assets and
liabilities used exclusively in, relating directly to, or arising directly out
of, Seller's restoration business in Salt Lake City, Orem and Dallas, as
reflected on Exhibit "D," shall have been transferred to and assumed by VFFR.

     6.2  ACCURACY OF REPRESENTATIONS. All of Seller's representations and
warranties in this Agreement (considered collectively), and each of these
representations and warranties (considered individually), must have been
accurate in all material respects as of the date of this Agreement, and must be
accurate in all material respects as of the Closing Date as if made on the
Closing Date.

     6.3  SELLERS' PERFORMANCE. All of the covenants and obligations that Seller
is required to perform or to comply with pursuant to this Agreement at or prior
to the Closing (considered collectively), and each of these covenants and
obligations (considered individually), must have been duly performed and
complied with in all material respects. Seller must have delivered each of the
documents required to be delivered by Seller pursuant to Section 1.5.1.

     6.4  NO PROCEEDINGS. Since the date of this Agreement, there must not have
been commenced or threatened against Buyer, or against any person affiliated
with Buyer, any proceeding (a) involving any challenge to, or seeking damages or
other relief in connection with, any of the transactions contemplated hereby, or
(b) that may have the effect of preventing, delaying, making illegal, or
otherwise interfering with any of the transactions contemplated hereby.

                                       -5-
<PAGE>

     6.5  NO CLAIM REGARDING STOCK OWNERSHIP OR SALE PROCEEDS. There must not
have been made or threatened by any person any claim asserting that such person
(a) is the holder or the beneficial owner of, or has the right to acquire or to
obtain beneficial ownership of, any stock of, or any other voting, equity, or
ownership interest in VFFR, or (b) is entitled to all or any portion of the
purchase price payable for the Shares.

     6.6  NO PROHIBITION. Neither the consummation nor the performance of any of
the transactions contemplated hereby will, directly or indirectly (with or
without notice or lapse of time), materially contravene, or conflict with, or
result in a material violation of, or cause Buyer or any person affiliated with
Buyer to suffer any material adverse consequence under, any applicable laws or
regulations.

7.   CONDITIONS PRECEDENT TO SELLER'S OBLIGATION TO CLOSE

     Seller's obligation to sell the Shares and to take the other actions
required to be taken by Seller at the Closing is subject to the satisfaction, at
or prior to the Closing, of each of the following conditions (any of which may
be waived by Seller, in whole or in part):

     7.1  ACCURACY OF REPRESENTATIONS. All of Buyer's representations and
warranties in this Agreement (considered collectively), and each of these
representations and warranties (considered individually), must have been
accurate in all material respects as of the date of this Agreement and must be
accurate in all material respects as of the Closing Date as if made on the
Closing Date.

     7.2  BUYER'S PERFORMANCE. All of the covenants and obligations that Buyer
is required to perform or to comply with pursuant to this Agreement at or prior
to the Closing (considered collectively), and each of these covenants and
obligations (considered individually), must have been performed and complied
with in all material respects. Buyer must have delivered each of the documents
required to be delivered by Buyer pursuant to Section 1.5.2 and must have made
the cash payment required to be made by Buyer pursuant to Section 1.2.

     7.3  CONSENTS. All of the consents required to be obtained from Buyer must
have been obtained and must be in full force and effect.

     7.4  NO PROHIBITION. Neither the consummation nor the performance of any of
the transactions contemplated hereby will, directly or indirectly (with or
without notice or lapse of time), materially contravene, or conflict with, or
result in a material violation of, or cause Seller or any person affiliated with
Seller to suffer any material adverse consequence under, any applicable laws or
regulations.

8.   TAX MATTERS

     8.1  UNPAID FEDERAL AND STATE TAXES. Buyer and VFFR acknowledge that on or
about April 6, 2000 a Notice of Federal Tax Lien was filed against Seller for
unpaid Federal withholding taxes during 1998 and 1999. Buyer and VFFR further
acknowledge that certain state withholding and

                                       -6-
<PAGE>

sales taxes were not paid by VTI between 1998 and 2000. A portion of the unpaid
federal and state taxes relates to the operation of the restoration portion of
VTI's business. Buyer acknowledges and agrees that the sale of the Shares is
subject to all existing liens and encumbrances in favor of federal and state
taxing authorities, and that the assets of VFFR are subject to all such liens
and encumbrances.

9.   NAME CHANGE AND NON-COMPETE AGREEMENT

     9.1  NAME CHANGE. Beginning twenty four (24) months after the Closing Date,
Seller may, in its sole discretion, request in writing that Buyer and VFFR cease
using the name "Venturi" anywhere in the United States. Within six (6) months
after receiving such written request, Buyer and VFFR shall cease using the name
"Venturi" for all purposes.

     9.2  COPNFIDENTIALITY AND NON-COMPETE. At the Closing, Buyer shall enter
into a Confidentiality and Non-Compete Agreement in the form attached hereto as
Exhibit "C."

10.  INDEMNIFICATION

     In addition to the indemnification provisions set forth below, at the
Closing the parties shall enter into a separate Indemnification Agreement in the
form attached as Exhibit "A." In the event of a conflict between the
indemnification provisions set forth below and the terms of the separate
Indemnification Agreement, the terms of the separate agreement shall control.

     10.1 SELLER'S INDEMNIFICATION OF BUYER. Seller indemnifies and agrees to
hold Buyer harmless from:

          (a) any loss suffered by Buyer because a representation was not true,
     a warranty was breached or a duty was not performed by Seller contained in
     this Agreement or a related document;

          (b) any claims, judgments and expenses, including legal fees, incurred
     for any of the foregoing or for attempting to avoid or oppose the same or
     for enforcing this indemnity.

     10.2 BUYER'S INDEMNIFICATION OF SELLER. Buyer hereby agrees to indemnify
and hold Sellers harmless from:

          (a) any loss suffered by Seller because a representation was not true,
     a warranty was breached or a duty was not performed by Buyer contained in
     this Agreement or a related document;

          (b) any liabilities or debts of VFFR, whether they exist as of the
     Closing Date or arise after the Closing Date; and

                                       -7-
<PAGE>

          (c) any claims, judgments and expenses, including legal fees, incurred
     for any of the foregoing or for attempting to avoid or oppose the same or
     for enforcing this indemnity.

11.  GENERAL PROVISIONS

     11.1 EXPENSES. Except as otherwise expressly provided in this Agreement,
each party to this Agreement will bear its respective expenses incurred in
connection with the preparation, execution, and performance of this Agreement
and the transactions contemplated hereby, including all fees and expenses of
agents, representatives, counsel, and accountants. In the event of termination
of this Agreement, the obligation of each party to pay its own expenses will be
subject to any rights of such party arising from a breach of this Agreement by
another party.

     11.2 CONFIDENTIALITY. Between the date of this Agreement and the Closing
Date, Buyer and Seller will maintain in confidence, and will cause the
directors, officers, employees, agents, and advisors of each to maintain in
confidence, any written, oral, or other information obtained in confidence from
another party or from VFFR in connection with this Agreement or the transactions
contemplated hereby, unless (a) such information is already known to such party
or to others not bound by a duty of confidentiality or such information becomes
publicly available through no fault of such party, (b) the use of such
information is necessary or appropriate in making any filing or obtaining any
consent or approval required for the consummation of the transactions
contemplated hereby, or (c) the furnishing or use of such information is
required by or necessary or appropriate in connection with legal proceedings. If
the transactions contemplated hereby are not consummated, each party will return
or destroy as much of such written information as the other party may reasonably
request.

     11.3 NOTICES. All notices, consents, waivers, and other communications
under this Agreement must be in writing and will be deemed to have been duly
given when (a) delivered by hand (with written confirmation of receipt), (b)
sent by telecopier (with written confirmation of receipt), provided that a copy
is mailed by registered mail, return receipt requested, or (c) when received by
the addressee, if sent by a nationally recognized overnight delivery service
(receipt requested), in each case to the appropriate addresses and telecopier
numbers set forth below (or to such other addresses and telecopier numbers as a
party may designate by notice to the other parties):

Seller:            Venturi Technologies, Inc.
                   6295 East 56th Avenue
                   Commerce City, Colorado 80022
                      Phone: (303) 444-4444
                      Fax: (303) 289-1212
                      Attn: Michael F. Dougherty, CEO

         Copy to:  Venturi Technologies, Inc.
                   c/o Mackey, Price & Williams
                   170 South Main Street, Suite 900
                   Salt Lake City, Utah 84101

                                       -8-
<PAGE>

                      Attn: Randy K. Johnson, General Counsel
                      Phone: (801) 575-5000
                      Fax: (801) 575-5006

Buyer:             James K. Stone
                   1935 North 600 East
                   Orem, Utah 84097
                      Phone: (801) 262-9400
                      Fax: (801) 569-0289

         Copy to:  William M. Jeffs, Esq.
                   Jeffs & Jeffs
                   90 North 100 East
                   Provo, Utah 84606
                      Phone: (801) 373-8848
                      Fax: (801) 373-8878

     11.4 JURISDICTION; SERVICE OF PROCESS. Any action or proceeding seeking to
enforce any provision of, or based on any right arising out of, this Agreement
may be brought against any of the parties in the courts of the State of Utah,
County of Salt Lake, or, if it has or can acquire jurisdiction, in the United
States District Court for the Central District of Utah, and each of the parties
consents to the jurisdiction of such courts (and of the appropriate appellate
courts) in any such action or proceeding and waives any objection to venue laid
therein. Process in any action or proceeding referred to in the preceding
sentence may be served on any party anywhere in the world.

     11.5 FURTHER ASSURANCES. The parties agree (a) to furnish upon request to
each other such further information, (b) to execute and deliver to each other
such other documents, and (c) to do such other acts and things, all as the other
party may reasonably request for the purpose of carrying out the intent of this
Agreement and the documents referred to in this Agreement.

     11.6 WAIVER. The rights and remedies of the parties to this Agreement are
cumulative and not alternative. Neither the failure nor any delay by any party
in exercising any right, power, or privilege under this Agreement or the
documents referred to in this Agreement will operate as a waiver of such right,
power, or privilege, and no single or partial exercise of any such right, power,
or privilege will preclude any other or further exercise of such right, power,
or privilege or the exercise of any other right, power, or privilege. To the
maximum extent permitted by applicable law, (a) no claim or right arising out of
this Agreement or the documents referred to in this Agreement can be discharged
by one party, in whole or in part, by a waiver or renunciation of the claim or
right unless in writing signed by the other party; (b) no waiver that may be
given by a party will be applicable except in the specific instance for which it
is given; and (c) no notice to or demand on one party will be deemed to be a
waiver of any obligation of such party or of the right of the party giving such
notice or demand to take further action without notice or demand as provided in
this Agreement or the documents referred to in this Agreement.

                                       -9-
<PAGE>

     11.7  ENTIRE AGREEMENT AND MODIFICATION. This Agreement supersedes all
prior verbal or written agreements between the parties with respect to its
subject matter (including the Letter of Intent between Buyer and Sellers dated
May 2, 2000) and constitutes (along with the documents referred to in this
Agreement) a complete and exclusive statement of the terms of the agreement
between the parties with respect to its subject matter, and there are no other
verbal or written agreements or understandings with respect to the terms hereof.
This Agreement may not be amended except by a written agreement executed by the
party to be charged with the amendment.

     11.8  ASSIGNMENTS, SUCCESSORS, AND NO THIRD-PARTY RIGHTS. Neither party may
assign any of its rights under this Agreement without the prior consent of the
other parties, except that Buyer may assign any of its rights under this
Agreement to any Subsidiary of Buyer. Subject to the preceding sentence, this
Agreement will apply to, be binding in all respects upon, and inure to the
benefit of the successors and permitted assigns of the parties. Nothing
expressed or referred to in this Agreement will be construed to give any person
other than the parties to this Agreement any legal or equitable right, remedy,
or claim under or with respect to this Agreement or any provision of this
Agreement. This Agreement and all of its provisions and conditions are for the
sole and exclusive benefit of the parties to this Agreement and their successors
and assigns.

     11.9  SEVERABILITY. If any provision of this Agreement is held invalid or
unenforceable by any court of competent jurisdiction, the other provisions of
this Agreement will remain in full force and effect. Any provision of this
Agreement held invalid or unenforceable only in part or degree will remain in
full force and effect to the extent not held invalid or unenforceable.

     11.10 SECTION HEADINGS, CONSTRUCTION. The headings of Sections in this
Agreement are provided for convenience only and will not affect its construction
or interpretation. All references to "Section" or "Sections" refer to the
corresponding Section or Sections of this Agreement. All words used in this
Agreement will be construed to be of such gender or number as the circumstances
require. Unless otherwise expressly provided, the word "including" does not
limit the preceding words or terms.

     11.11 TIME OF ESSENCE. With regard to all dates and time periods set forth
or referred to in this Agreement, time is of the essence.

     11.12 GOVERNING LAW. This Agreement will be governed by the laws of the
State of Utah without regard to conflicts of laws principles.

     11.13 TAX ELECTIONS. Sellers acknowledge that the Buyer may, in its sole
discretion, make certain tax elections with respect to this transaction,
including, but not necessarily limited to, an election under Section 338 of the
Internal Revenue Code of 1986, as amended, to treat this transaction for tax
purposes as though it were a purchase and sale of assets rather than stock.

     11.14 COUNTERPARTS. This Agreement may be executed in one or more
counterparts, each of which will be deemed to be an original copy of this
Agreement and all of which, when taken together, will be deemed to constitute
one and the same agreement.

                                       -10-
<PAGE>

     IN WITNESS WHEREOF, the parties have executed and delivered this Agreement
as of the date first written above.

                                       BUYER:

                                       /s/ James K. Stone
                                       ------------------------------
                                       James K. Stone

                                       /s/ Patrice A. Stone
                                       ------------------------------
                                       Patrice A. Stone

                                       SELLER:
                                       VENTURI TECHNOLOGIES, INC.

                                       By: /s/ Michael F. Dougherty
                                          ---------------------------
                                          Its: CEO
                                              -----------------------

                                       VFFR:
                                       VENTURI FLOOD & FIRE RESTORATION, INC.

                                       By: /s/ James K. Stone
                                          ---------------------------
                                          Its: President
                                              -----------------------

                                       -11-

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