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243_MasterPieces_02a.QXD  4/18/03  6:56 PM  Page 64




           64     Masterpiece 2 • The Learning Brick Sorter

            Valve Step 6
















                                         Valve Step 7




















                  Valve Step 8






                                                                             The 1x2 plate serves as
                                                                             stop point for the liftarms
                                                                             attached to the motor.








                                       Valve Step 9
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