7 Machines parts, namely, cylinders; air and hydraulic cylinders for vehicles other than land vehicles; internal combustion engine parts, namely, pistons; couplings for machines; clutches for machines; shaft couplings for machines; machine parts, namely, molds for use in the manufacture of aluminum products, namely structural parts for automobiles, building materials, and structural parts for machine cylinders; dies for use with machine tools; connecting rods for machines, motors and engines; internal combustion land vehicle engine parts, namely, connecting rods; vehicle engine parts, namely, push rods