Compressed air machines; metalworking machines; hand-held tools, other than hand-operated, namely, power-driven wrenches; agricultural implements other than hand-operated, namely, combine harvesters; stone-working machines; pneumatic jacks; electric saws; electric drill bits; spray guns for paint; pumps for machines; machines and apparatus for cleaning, electric, namely, cleaning machine for pipelines; mixing machines; packaging machines; cutting machines; electric polishing machines; blades ...