3D printers; Air-operated power tools, namely, wrenches, ratchet wrenches, drills, grinders, orbital sanders; Ball bearings for use in machines, namely, engine; Cemented carbide cutting tools; Commercial and industrial vacuum cleaners; Compressed air machine components, namely, cylinders, valves and air grips; Compressors for air conditioners; Electric coffee grinders; Gas diverters consisting of a pump, storage and refilling tank, pre-heater, vaporizer, recuperator, condenser and valves; Hydraulic valve actuators; Hydraulically actuated tools, namely, pliers, hammers; Juice extractors, electric; Machines, namely, crushers, impact mills, breakers, pulverizers, mixers and blenders and parts therefor, for industrial and commercial applications; 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; 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 valve actuators; Replacement parts for machines, namely, replacement parts for trench excavators, drag-line excavators, hoisting machines, locomotive cranes, shoveling machines, power shovels and log handling machines, namely, chassis parts, hydraulic and pneumatic parts; 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; Spray paint systems comprised of pumps, pump controllers, nozzles, tubing and valves; Hydraulic pumps and motors for hydrostatic systems, comprised of pumps, motors, valves, switches, sensors and electronic controls, for hydraulic drives and force transmission in machines, machine tools, grinding and food processing machines and in off-road-vehicles