Apparatus for aerating water; Automatic swimming pool cleaners and parts therefor; Belts for farm vehicle machines; Belts for transmissions other than for land vehicles; Compressed air machine components, namely, cylinders, valves and air grips; Dust filters and bags for vacuum cleaners; Electrical water pumps for swimming pools, spas, baths, and whirlpools; Electronically and power-operated tools, namely, pullers and components therefor, nut splitters, extractors, separators, spanners and coil spring compressors; Fitted covers for swimming pool vacuum cleaners; Machine parts, namely, mechanical seals; Pond and water garden aeration systems comprising water pumps, air compressors, air blowers and a finned wheel for pressurizing and aerating ponds and aquariums; Power tool parts, namely, indicate specific 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; Vacuum cleaner bags; Water pumps for swimming pools, spas, baths, and whirlpools