Air compressors; Drives for vacuum pumps; Electric pumps; Internal combustion engine parts, namely, piston rings; Machine parts, namely, mechanical seals; Multi-purpose high pressure washers; Pneumatic pumps; Pneumatic valve actuators; Powder coating spray guns; Power-operated spray guns; Spray paint systems comprised of pumps, pump controllers, nozzles, tubing and valves; Turbochargers for machines; Vacuum cleaners; Valves for pumps