When making a butt weld, the electrode should be positioned so that it’s at a 90-degree angle in relation to the workpieces. A T-joint weld is when you’re joining two materials to form a T ...

In the video, one can see how [Finn] uses thermite charges to weld massive copper conductors together in a matter of seconds inside a graphite mold. Straight joints, T-joints, and others are a ...