WELDING MANUAL This manual covers all types of welding including arc welding, MIG (wire-feed) welding, TIG (heli-arc) welding, oxyacetylene welding/heating/cutting and plasma-arc welding/ cutting. It shows you what';s the right equipment for you and how to use it safely. Includes a glossary of terms and information on how to build a utility trailer. Over 155 pages.