The basics of MIG (Metal Inert Gas) wire welding is covered by a free, online course now being offered by an arc welding equipment manufacturer.
David Heidemann, manager of program development and training at Miller Electric Manufacturing Co., Appleton, Wis., says the course should take about two hours to complete, although users can break it up if they choose. Go to www.millerwelds.com for details. Click here to view chart