Air screwdrivers; Compressed air machine components, namely, cylinders, valves and air grips; Filter silencers for machines; Hydraulic linear actuators; Parts of oilfield wellhead machines, namely, gate valves, ball valves, check valves, plug valves, globe valves, choke and manifold industrial pumps, pump and valve parts, pipe fittings and flanges; Pneumatic air preparation equipment, namely, airline filters, lubricators, and regulators, all being parts of machines; Pneumatic blow guns for use in a manufacturing process to blow dust off parts, workstations or wherever necessary; Pneumatic grease guns; Pneumatic hammers; Pneumatic linear actuators; Pressure switches as parts of machines; Pressure transducers and transmitters that convert hydraulic or pneumatic pressure into analog electrical signals for monitoring and controlling hydraulic or pneumatic systems sold as a unit with manufacturing machines; Pressure transducers as parts of machines; Proportional flow valves as parts of machines; Pump diaphragms; Valves being parts of machines operated pneumatically and by air; Valves as machine components