Welding apparatus, gas-operated; Diffusers for welding machines; Gas-operated welding torches; Gas cutting guns; Tips for welding machines; Nozzles for welding machines

Electric plasma cutters; Electric wet grinders for welding electrodes; Electrodes for welding machines; Gas welding guns; Metal welding machines, namely, saws and cutters; Oxy-acetylene welding and cutting machines; Plasma cutting machines; Welding electrodes; Welding machines, electric; Welding torches