Agricultural machinery and attachments therefor, namely, rotary mowers, box scrapers, and three-point attachments; Air-cooled condensers; Air distribution units for pneumatically driven pumps; Automobile engine valve covers; Automotive engine blocks; Camshafts for vehicle engines; Engine mufflers; Internal combustion land vehicle engine parts, namely, connecting rods; Marine engines and parts and fittings thereof; Metal parts and fittings for power-operated lifting equipment; Pneumatic contro...