Electric arc welding machines; Air compressors; Electric welding machines; Nailing machines; Electric nail pullers; Electric arc welders; Gas diverters consisting of a pump, storage and refilling tank, pre-heater, vaporizer, recuperator, condenser and valves; Electric plasma cutters; Machine for repair, polishing, buffing and scratch removal on optical discs, CDs, DVDs; Electrodes for welding machines; Electric arc welding apparatus; Tile removal and cutting machines; Polypropylene bags for i...