Sawmills; Air-operated power tools, namely, impact wrenches, ratchet wrenches, drills, grinders, orbital sanders; Automatic electrostatic-paint sprayers; Cutting machines; Electric generators; Floor cleaning machines; Machines for cleaning surfaces using high pressure water; Metal welding machines, namely, saws and cutters; Pneumatic hand-held drills; Reciprocating compressors; Spraying machines; Steam cleaning machines; Stone working machines; Vehicle washing installations; Engraving machines