Gas welding machines; Jib cranes; Electric hand-held drills; Machine parts, namely, couplers and semi-couplers of synthetic material; Tables specially adapted to hold powered machinery; Grinding machines for the treatment of ceramics and metal; Power tools, namely, hammer drills; Machine tools, namely, powered machines for cutting or shaping or finishing metals or other materials; Electric arc welding apparatus; Metal working machines, namely, saws and cutters; Oil separators; Punching machines; Welding machines, electric; Industrial robots; Machines for generating gas by electrolysis; Welding robots; Robotic arms for palletizing; Laser welding machines; Power tools, namely, hammer drivers