Ball bearings for use in machines, namely, indicate type of machine; Bearing inserts for machines; Bearings for transmission shafts, being parts of machines; Brake linings for machines; Clutches for machines; Cylinders for machines; Engine bearings; Gas diverters consisting of a pump, storage and refilling tank, pre-heater, vaporizer, recuperator, condenser and valves; Gearing for machines; Machine parts, namely, mechanical seals; Machine parts, namely, work holding fixtures for precision machining applications; Power tool accessories, namely, cutting guides; Roller bearings for machines; 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; Spark plugs