TRUE OR FALSE; 1. welding torch is a gas mixing and burning tool for the welding of metal 2. welding rod is a filler metal in the form of a rod or heavy wire 3.welding is joining two metals by applying heat to melt and fuse them, with or whithout filter metal 4. weldment is an assembly or structure whose component parts are joined by welding 5. the metal that is to be worked or welded is called base metal.
