MACHINS USED IN THE ELECTRONIC PRINTED CIRCUIT BOARD INDUSTRY-NAMELY, DEBURRING MACHINES, DRYING MACHINES, SCRUBBING MACHINES, MACHINES FOR DEPOSITING BRIGHTENING MATERIALS ON PRINTED CIRCUIT BOARDS, CLEANING MACHINES FOR CLEANING GOLD FINGERTIPS ON CERTAIN PRINTED CIRCUIT BOARDS, AND COMPRESSORS FOR COMPRESSING TAPES ON PRINTED CIRCUIT BOARDS