Welding, Post-TEOTWAWKI, by G.M.
I am a retired journeyman pipefitter who is a Certified Welding Inspector. I teach at a nearby community college two days a week. Welding encompasses such a large body of knowledge that no one person can know all there is to know and certainly cannot condense everything into a short article, but let me start with some basics. First of all, if you can’t tell the difference between steel, stainless steel, aluminum or cast iron you shouldn’t be welding. You have to know what process to use and which filler metal to use. Some things will hurt you or kill …