Non-electric prime movers for land vehicles, namely, internal combustion engines, pneumatic motors, hydraulic motors, and gas turbine engines; driving motors for land vehicles; mechanical elements for land vehicles, namely, transmissions, casings, bearings, valves, combustion chambers, gear drives, mechanical seals, shafts, shaft couplings, fluid couplings; mechanical elements for land vehicles, namely, power transmissions and gearing; mechanical elements for land vehicles, namely, brakes; me...