WITNESSETH

   1


                                                                EXHIBIT 10.33


                      AMENDMENT TO EMPLOYMENT AGREEMENT


        THIS AMENDMENT is made and entered into as this 10th day of June 1997,
by and between XXXXXX X. XXXXX ("Employee") and CENTRUM INDUSTRIES, INC.
("Corporation").


                                 WITNESSETH


        WHEREAS, Employee and Corporation entered into an Amended and Restated
Employment Agreement ("Agreement") effective as of the 1st day of September
1996 whereby the Corporation employed the Employee as President and Chief
Executive Officer, and 

        WHEREAS, the parties hereto desire to amend the Agreement and paragraph
11 of the Agreement requires that all amendments shall be in writing.

        NOW, THEREFORE, in consideration of One Dollar ($1.00) and other good 
and valuable consideration, the receipt and sufficiency of which is hereby
acknowledged, the parties hereto agree as follows:

        1.   Paragraph 3.1 is amended in its entirety to read as follows:

             "3.1  The Employee shall be paid a salary of Two Hundred Ten
                   Thousand Dollars ($210,000.00) per year payable in
                   twenty-four (24) equal bi-monthly installments on the 15th
                   and last day of each month."

        2.   Except as expressly amended hereby, all other terms and conditions
of the Agreement shall continue in full force and effect.

        IN WITNESS WHEREOF, the parties hereto have executed this Amendment to
Employment Agreement this 27 day of June 1997.

                                          CENTRUM INDUSTRIES, INC.

/s/ Xxxxxx X. Xxxxx                       By /s/ Xxxxxxx X. Xxxxx
-------------------------                    -----------------------------
Xxxxxx X. Xxxxx                              Xxxxxxx X. Xxxxx, Secretary