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                                                                   EXHIBIT 10.22

                                PROMISSORY NOTE
                        (Installment Note - Short Form)

         FOR VALUE RECEIVED, the undersigned jointly and severally promise to
pay to the order of ED GOBER, the sum of FIFTEEN THOUSAND SEVEN HUNDRED DOLLARS
AND no/00 --- (15,700.00) DOLLARS, USD, together with interest thereon at the
rate of 10% per annum on any unpaid balance.

         Said sum, inclusive of interest, shall be paid in (monthly)
installments of $1000.00 each, with a first payment due 4/29/99, and a like
amount on the same day of each (month/week) thereafter until the full amount if
this note and accrued interest shall be fully paid. All payments shall be first
applied to accrued interest and the balance to principal. The undersigned
reserves the right to prepay this note in whole or in part without penalty.

         This note shall be fully payable upon demand of any holder in the
event the undersigned shall default in making any payments due under this note
within 10 days of its due date.

         In the event of any default, the undersigned agree to pay all
reasonable attorney fees and costs of collection to the extent permitted by
law. This note shall take effect as a sealed instrument and be enforce in
accordance with the laws of the payee's state.

         THIS NOTE IS EXECUTED AS PURCHASE PRICE FOR EQUIPMENT DESCRIBED ON
ATTACHED BILL OF SALE.

Dated:

                                      Basic Technologies, Inc.

                                      /s/ B. WALKER
                                      ------------------------
                                      B. WALKER, AUTH. OFFICER<PAGE>   1
                                                                   EXHIBIT 10.23

                               GENERAL ASSIGNMENT

         FOR GOOD CONSIDERATION, the undersigned (Seller), hereby sells and
transfers to SIMPCO, INC, (Buyer), all right, title, and interest, in an to any
piece of equipment and/or personal property owned by the undersigned.

         Subject to collateral pledges, the Seller warrants it has good title to
said equipment and/or personal property, and has full authority to sell and
transfer same, and that said property is sold free of all liens, claims and
encumbrances (save & except collateral pledges aforementioned). Seller warrants
it will defend and indemnify Buyer from any adverse claims.

         Signed under seal this 1st day of APRIL, 1999.

                                                  BASIC TECHNOLOGIES, INC.

                                                  By: /s/ BRYAN L. WALKER
                                                      --------------------------
                                                      Bryan L. Walker, President<PAGE>   1

                                  BILL OF SALE                     Exhibit 10.24

     FOR GOOD CONSIDERATION, and in payment of the sum of $1,000.00 CASH AND
$8,000.00 PROMISSORY NOTE, the undersigned (Seller), hereby sells and transfers
to BASIC TECHNOLOGIES, INC., or assigns, (Buyer), the following chattels and
personal property:  (describe property)

                            1977 WHITE #ZTPCH1004419
                           SEE COPY TITLE AS EX. "A"

     The Seller warrants it has good title to said property, full authority to
sell and transfer same, and that said property is sold free of all liens, claims
and encumbrances.  Seller warrants it will defend and indemnify Buyer from any
adverse claims.

     Signed under seal this 12 day of APRIL, 1999.

                                                         RUSSELL AUTO PARTS

                                                         /s/ J.R. RUSSELL
                                                         -----------------------
                                                         J.R. Russell
                                                         4800 Loop 378
                                                         San Angelo, TX
                                                         912-651-4812<PAGE>   1
                                                                   EXHIBIT 10.25

                                 PROMISSORY NOTE
                         (Installment Note - Short Form)

         FOR VALUE RECEIVED, the undersigned jointly and severally promise to
pay to the order of RUSSELL AUTO PARTS, OR ASSIGNS, the sum of EIGHT THOUSAND
DOLLARS AND no/00 --- (8,000.00) DOLLARS, USD, together with interest thereon at
the rate of 0% per annum on any unpaid balance.

         Said sum shall be paid in 24 (monthly) installments of $500.00 each,
with a first payment due June 1, 1999, and a like amount on the same day of each
(month) thereafter until the full amount if this note shall be fully paid. All
payments shall be first applied to the balance to principal. The undersigned
reserves the right to prepay this note in whole or in part without penalty.

         This note shall be fully payable upon demand of any holder in the event
the undersigned shall default in making any payments due under this note within
10 days of its due date.

         In the event of any default, the undersigned agree to pay all
reasonable attorney fees and costs of collection to the extent permitted by law.
This note shall take effect as a sealed instrument and be enforce in accordance
with the laws of the payee's state.

Dated:  4/12/99

                                               Basic Technologies, Inc.

                                               /s/ STEVE SIMPSON
                                               ---------------------------------
                                               Steve Simpson, authorized
                                               4/12/99 by Bryan Walker<PAGE>   1
                                                                  EXHIBIT 10.26

                                  BILL OF SALE

         FOR GOOD CONSIDERATION of Ten ($10.00) and other good an valuable
considerations, the receipt and sufficiency of which is hereby acknowledged,
and the agreement to assume legal liability for and make all payments and
fulfill all obligations under a promissory note in the amount of $8,000.00 USD,
bearing interest at 0.0%, and being payable in twenty four (24) monthly
installments of $500.00 with the first installment being due on June 1, 1999,
payable to the order of RUSSELL AUTO PARTS, P. O. BOX 470, SAN ANGELO, TEXAS
76902, the undersigned (Seller), hereby sells and transfers to Simpco, Inc., or
assigns, (Buyer), the following motor vehicle and personal property:

                    1977 WHITE #ZTPCH1004419 wire line truck
                         and all pertinent attachments

         The Seller warrants it has good title to said property, full authority
to sell and transfer same, and that said property is sold free of all liens,
claims and encumbrances. Seller warrants it will defend and indemnify Buyer
from any adverse claims.
         Signed under seal this 12th day of April, 1999.

BASIC TECHNOLOGIES, INC.            SIMPCO, INC.,

By: /s/ BRYAN L. WALKER             By: /s/ RICHARD C. SMITH
   --------------------------          -------------------------
Bryan L. Walker                     Richard C. Smith<PAGE>   1
                                                                   EXHIBIT 10.27

                           EQUIPMENT LEASE AGREEMENT

LESSOR: Rodney W. Simpson
        2029 American Legion Way
        San Angelo, Texas  76904

LESSEE: Basic Technologies, Inc.
        1026 W. Main St.  #208
        Lewisville TX 75067

LOCATION OF
EQUIPMENT: 11816 Hwy 83 North
           Ballinger TX 76821

DESCRIPTION OF
EQUIPMENT: Exhibit A Attached

This agreement of lease of personal property is made effective the date signed
below, by and between the Lessor and Lessee named above.

The lease is for a term of sixty (60) months, beginning Immediately. There is to
be no security deposit or prepayment of last month's lease payment.

Lease Payments: $1,093.00 per month, beginning April 17, 1999, and continuing
through March 17, 2002; followed by monthly lease payments of $818.00, beginning
April 17, 2002, and ending with the last payment on March 17, 2004.

Lease termination and purchase option: At the end of the lease, or the payoff of
the lease, if it occurs earlier, Lessee has the option to purchase the leased
equipment for Ten Dollars ( $10.00). Notice of exercise of such option Must be
made to Lessor no more than 30 days prior to expiration of the lease. If the
purchase option is not exercised, Lessee must return the equipment to Lessor
upon the termination of the lease. According to the provisions of the Uniform
Commercial Code, this lease is to be treated as a finance lease.

During the term of the lease, Lessee is solely responsible to maintain the
equipment in good working order; to maintain adequate casualty insurance
coverage; and to pay any assessed personal property taxes. Lessee agrees to
inform Lessor in writing promptly of any loss or significant damages to the
equipment, and to provide evidence of insurance coverage.

Lessor makes no express or implied warranties as to the fitness and suitability
of the equipment for the Lessee's purposes.

The terms of this lease will be governed by the laws of the State of Texas, with
venue for any disputes to be in Denton County, Texas.

<PAGE>   2

This lease cannot be assigned by Lessee without written permission of Lessor.
Notwithstanding this provision, Lessee may assign the lease or use of the leased
equipment to any company which is owned or controlled by the Lessee.

If Lessee is in default on any lease payment or on any other provision of the
lease, Lessor may consider Lessee to be in default, and accelerate the remaining
obligations of the lease, requiring Lessee to pay the remaining balance in full.

If any provision hereof or any remedy provided herein is found to be invalid,
such provision shall be deemed omitted, but the remaining provisions and
remedies shall remain in effect. Any delay or failure to enforce Lessor's rights
will not prevent Lessor from enforcing its rights at a later time, subject to
provisions of Texas law.

The terms and conditions of this Lease are the entire terms and conditions, and
may be modified only by a mutually-signed written agreement.

This Lease is binding upon the heirs, successors or legal representatives of
each party.

Signed and agreed to effective the 15th day of April, 1999.

LESSOR:                          LESSEE:

/s/ RODNEY SIMPSON               /s/ B WALKER
-----------------------------    --------------------------
Rodney Simpson                   Bryan Walker, President
                                 for Basic Technologies,Inc.

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