23 GENERAL PURPOSE LIFT TRUCKS AND CARGO LOADERS; CRAWLER TRACTORS; SPECIAL DESIGNED LIFT TRUCKS, HOISTS AND RELATED EQUIPMENT FOR HANDLING, LOADING AND POSITIONING BOMBS, EXPLOSIVES, AERIAL STORES, FUEL TANKS, MISSILES AND ROCKETS; MACHINE PARTS-NAMELY, GEARS, LEVERS, AXLES, PINIONS, CAMS, WHEELS, BRACKETS AND ASSEMBLIES OR SUBASSEMBLIES THEREOF