7 Engines and motors, not for land vehicles; segments, namely engine cases for vehicles; engine and motor transmission chains and shafts; engine and motor parts, namely transmission chains and shafts; engine and motor parts, namely transmission shaft bearings; vehicle engine and motor parts, namely pressure reducers, fuel pressure regulators, pressure valves, hydraulic and pneumatic controls, namely pump control valves, pulleys being parts of machines, bobbins being parts of machines, speed governors, variable speed drives for use with fluid pumping systems, driving mechanisms, namely driving devices for lifts, drives for vacuum pumps; torque transformers, not for land vehicles; machine parts, namely, clutches, turbines, other than for land vehicles, namely for working machines and water and air vehicles; pistons, namely engine cylinders, engine sleeves, namely piston sleeves