Basis, metal on establishing an electric arc between the electrode (welding wire), taking doable and the work piece can be and arches and ponds welded by inert gas protection. This method to both automatic and semi-automatic can be performed. All metals and alloys are important industrial such as Steels, carbon steels, low alloy, stainless steels, etc., alloys of aluminum, etc. copper, nickel, etc. in all situations with this reliable method of welding.