Learn what tig welding is from an expert in arc, tig and mig welding in this free DIY video.
About the Author
Malcolm MacDonald graduated from Connestoga College in 1968 from the Fitter Welding Program. Since then, he has traveled extensively throughout Canada working in almost every aspect of the welding trade industry – such as pipe fitting, iron working, nuclear power, food and beverage, and pharmaceuticals - to name only a few. He is an active member of the United Association of Plumbers, Steam Fitters, and Welders, and he currently teaches the Welding Apprenticeship Program.