Compressed air machine components, namely, cylinders, valves and air grips; Cylinders for machines; Heat exchangers being parts of machines; Hydraulic excavators; Hydraulic lift tables; Industrial robots; Machine parts that heat and maintain temperature in machine piping systems, namely, steam jacketing, electrical tracing, and insulation sold as integral components of finished machines; Machine parts, namely, cylinders; Material handling machines, namely, palletizers, case elevators, automatic pallet dispensing machines and automatic slip sheet dispensing machines; Parts for pneumatic blow guns, namely, inflator tips, inflator valves, valve adapters, nozzles, nipples, couplers, connectors and pivots; Pumps as parts of machines, motors and engines; Self-lubricating mechanical friction parts, especially of composite materials, namely, wear rings, washers, bushings, spherical bearings, bearing pads, sliding blocks and machine transmission gears all for load bearing machines, conveyors, handling trucks and machines, lifting machines, agricultural machinery, construction equipment machines and hydraulic turbines