... , aluminum, brass, copper, iron and cast iron LW426 Laser Welding machineSpecifications:TIG Welder - Uses a special Tungsten tip, Argon gas ... and electricity to weld metal.ARC/MMA Welder - Use standard welding rods to weld metal including steel, and aluminum.Plasma cutter ... brass, copper, iron and cast iron. Clean, accurate cuts.Air Regulator/Air Filter - Adjust air pressure and cleans the air coming ...