7 Electric welding machines; gas-powered welding machines; gasoline-powered welding machines; Gas welding guns; Welding torches; Replacement parts for gas welding guns, namely, tips, nozzles, electrodes, electrode holders, contact tips, conduits, conductor tubes, retainers, diffusers, gas diffusers, body tubes, insulators, nozzle retainers, retainer rings, washers, insulator caps, cups, handles, collets, collet bodies, gas lenses, gasket insulators, nozzle gaskets, elements, wrenches, torch heads, o-rings, cup gaskets, collet knobs, insulating boots, shaft assembles, back caps, water hoses, gas hoses, hose clamps, valve stems, switch boots, tungsten holders, tungsten grinders, tungsten electrodes, gun bodies, torch bodies, cylinders, cylinder caps, switches, welding hoses, coolers for welding equipment, flint lighters, torch lighters, spark ignitors for welding torches; cutting and welding tools, namely, cutting and burning guides in the nature of pipe wraps for cutting and welding pipe; plasma torches; replacement parts for plasma cutting machines, namely, swirl rings, nozzles, electrodes, retaining caps, deflectors, shields, shield cups, tips, swirl baffles, electrode adaptors, electrode holders, and gas distributors; power operated saws; power-operated circular saws; power-operated concrete saws; replacement parts for power operated saws and welding machines