Orient students on the process of Gas Tungsten Arc Welding procedures using ER70S- D2, ER308, ER4043 filler material on carbon steel, stainless steel and aluminum. Welding will be done in all positions (flat, horizontal, vertical, and overhead). Classroom instruction includes welding safety, theory, blueprint reading, gas selection, filler metal selection and welding techniques. Certification available if applicable weld tests meet AWS/API standards.