and we often wonder how much real use they get other than “hey look I built a spot welder!”. I myself made one, but then ended up buying a professional one because it works better. Not ...

That need is what led [Erwin Ried] to purchase a small, battery-powered spot welder from a maker in Korea and test it out on nickel strips. The spot welder [Erwin] used is the work of a user by ...