[ Powered operated abrasive wheels; adhesive tape dispensing machines; power-operated agricultural implements namely, incorporators, pneumatic brushes for applying coloring and the like; air compressors; air compressors for vehicles; compressors for air conditioners; airplane engines; airplane motors; alternators for land vehicles; aquarium pumps; earth augers; autogenours soldering machines; automotive exhaust pipes; axles for machines; ball bearings being machine parts and ball rings theref...