EXHIBT 3.9

                            ARTICLES OF INCORPORATION
                                       OF
                           WICHITA MANUFACTURING, INC.

                                    * * * * *

     FIRST: That the name of the corporation is

                  WICHITA MANUFACTURING, INC.

     SECOND: The purpose of this corporation is to engage in any lawful act or
activity for which a corporation may be organized under the General Corporation
Law of California other than the banking business, the trust company business or
the practice of a profession permitted to be incorporated by the California
Corporations Code.

     THIRD: The name of this corporation's initial agent for service of process
in the State of California is:

                  C T CORPORATION SYSTEM

     FOURTH: This corporation is authorized to issue only one class of shares of
stock; and the total number of shares which this corporation is authorized to
issue is fifty thousand (50,000).

     FIFTH: The liability of the directors of the corporation for monetary
damages shall be eliminated to the fullest extent permissible under California
law.

     IN WITNESS WHEREOF, the undersigned has executed these Articles this 10th
day of November, 1992.

                                     /s/  G. COFER
                                     ----------------------------------
                                     G. Cofer, Sole Incorporator