I

ROLLER AND SILENT CHAIN SPROCKETS MADE OF IRON, STEEL, OR BRONZE; SPEED REDUCERS FOR THE MECHANICAL TRANSMISSION OF MOTION AND POWER IN ALL TYPES OF MACHINERY, PARTICULARLY CRUSHERS, PRESSES, MACHINE TOOLS, TRACTORS, MATERIALS HANDLING, EARTH MOVING AND CONSTRUCTION EQUIPMENT, AND AGRICULTURAL AND FOOD PROCESSING EQUIPMENT; MACHINE GEARS MADE OF CAST, FORGED, OR ROLLED STEEL, CAST IRON, BRONZE, CANVAS IMPREGNATED WITH PHENOL-RESIN, RAWHIDE, OR PRESSED COTTON IMPREGNATED WITH OIL; SPECIAL MACHINE PARTS MADE OF STEEL AND CAST IRON-NAMELY, SPLINE AND/OR KEYWAYED SHAFTS, JAW AND TOOTHED CLUTCHES, AND GEAR AND CLUTCH HOUSINGS