7 Ball bearings for use in machines, namely, ball bearings for machines other than land vehicles; Clutches and apparatus for power transmission other than for land vehicles; Clutches for machines; Gear motors not for land vehicles; Gears and enclosed drives for industrial machinery; Gears for machines; Gears, other than for land vehicles; Hydraulic jacks; Internal combustion engine parts, namely, valves, engine braces, for machines other than land vehicles; Pistons for machines or non-land vehicles; Shaft couplings as parts of machines; Shaft couplings for machines; Shaft couplings, not for land vehicles; Transmission gears for machines; Transmission shafts, other than for land vehicles; Transmissions for machines; Transmissions, other than for land vehicles; Valves being parts of machines