Compressed air machine components, namely, cylinders, valves and air grips; Exhaust silencers for engines; Filter silencers for machines; Hydraulic hammers; Machine couplings and transmissions, except for land vehicles; Parts for compressed-air tools, namely, brakes, filters, hoses, pipes, couplings valves, switches, compressors, clamping tools and injectors; Parts for pneumatic blow guns, namely, inflator tips, inflator valves, valve adapters, nozzles, nipples, couplers, connectors and pivots; Pneumatically operated tire inflation machine; Pressure regulators being parts of machines; Pump control valves; Valves as machine components; Valves being parts of machines; Valves being parts of machines operated pneumatically and by air; Valves for pumps; O-rings being machine parts for sorting machines, etc