[ Machines, namely, cleaning machines for power generation engines, earth moving machines; ] machine tools, namely, milling cutters, lathes, gear cutters; motors and engines not for land vehicles; transmission couplings and belts not for land vehicles; electric and gas compressors; air compressors; reciprocating electric compressors; air-water separators being machines; oil-water separators; compressed air guns being machines; power-operated spray guns; electric grinding machines; pneumatic h...