filters [parts of machines or motors]; thermal spray guns [parts of machines]; work heads [parts of machines]; drill chucks [parts of machines]; drilling bits [parts of machines]; air cleaners [parts of engines]; throttle valves [parts of machines]; tools [parts of machines]; pneumatic nut runners; pressure washing machines; fruit washing machines; steam cleaning machines; flexible pipes and hoses [parts of machines]; adapters for pipes [parts of machines]; adapters for cutting bits [parts of machines]; connecting rods for machines; control valves for regulating the flow of gases and liquids [parts of machines]