Precision reducers being parts for machines; indexing drive units in the nature of reduction gear boxes for industrial purposes being parts for machines; pick and place units in the nature of reduction gear boxes for industrial purposes being parts for machines; feeders being parts for machines; rotary units to supply parts and fittings used by machines for material treatment or other forms of processing; linear motion units to supply parts and fittings used by machines for material treatment or other forms of processing; material transfer apparatus for industrial press machines; torque converters being parts for machines; torque limiters being parts for machines; rotary positioners in the nature of reduction gear boxes for industrial purposes being parts for machines; metalworking machine tools; cams not for land vehicles, namely, cams being parts for machines; cam shafts being parts for machines; power transmissions and gearing for machines not for land vehicles; speed change gears being machine elements not for land vehicles; gear boxes other than for land vehicles; reduction gears other than for land vehicles; speed governors for machines; clutches other than for land vehicles; servomotors not for land vehicles; motors and starters not for land vehicles; machining centers, namely, numerically controlled machine tools; parts and fittings for machining centers, namely, numerically controlled machine tools; lathes being machine tools for metalworking; milling machines; drilling machines; grinding machines for metalworking; compression molding machines; injection molding machines; metalworking machines; material conveyance apparatus for metalworking machines; parts and fittings for metalworking machines; parts and fittings for industrial robots being machines; press machines for industrial purposes; presses for chemical processing; cutting machines for industrial purposes; semiconductor manufacturing machines; pharmaceutical industrial processing machinery; loading and unloading machines; industrial robots; machine parts, namely, an indexing drive for intermittently driving from a continuously rotating motor, turntables of machine tools, conveyors, or the like; rotary positioning units to supply parts and fittings used by machines for material treatment or other forms of processing