Engines and motors, other than for land vehicles and structural parts therefor; hydraulic and pneumatic controls for engines and motors; brakes for machines other than for vehicles; brake linings for machines, namely, engines; crank shafts for machines; gearboxes, other than for land vehicles; cylinders for engines; pistons for engines; turbines, not for land vehicles; filters for engines and motors, namely, oil, air and fuel filters for land vehicle engines; exhausts for land vehicle engines...