Aircraft engine parts, namely, turbines, oil tank plugs and caps, oil tanks, push rods, rocker arms, cam covers, carburetors, engine cam protectors, washers and engine cases; Gas generators for powering jet engines being a component part of jet engines; Heat exchangers being parts of engines not for land vehicles; Marine engines and parts and fittings thereof; 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; Shaft couplings as parts of machines; Speed change gears being parts of machines; Spindles being parts of machines; Springs being parts of machines; Valves being engine parts for introducing fuel-air mixtures into the combustion chambers of internal combustion engines

Airplanes and structural parts therefor; Boats and structural parts therefor; Helicopters and structural parts therefor; Structural parts for airplanes; Structural parts for boats; Structural parts for helicopters