Bearings for transmission shafts, being parts of machines; Carburetors; Connecting rods for machines, motors and engines; Crank shafts for cars; Cylinder heads for engines; Cylinders for motors and engines; Engine bearings; Engine camshafts; Intake manifolds for internal combustion engines; Mufflers for motors and engines; Pistons for engines; Sparking plugs for internal combustion engines; Starters for motors and engines