Gas-operated welding machines; Machine parts, namely, joints and joint parts for connecting sliding strips, plates and guides; Metal welding machines, namely, saws and cutters; Machine parts, namely, metal grounding bushings; Electric caulking guns; Power tools, namely, drill presses; Hand-held battery actuated hydraulic crimp tool; Spray guns for painting; Air powered tools, namely, drills, screwdrivers, rivet hammers, saws