Power-operated pallet jacks; Power-operated lifting and moving equipment, namely, pipe layers, fork lifts, telehandlers, and lifts; Wheels being parts of 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 equipmen...