This is a tinning soldering iron video tutorial. This video shows how to tin a soldering iron. Tinning is when we take solder and flow it on the tip of the soldering iron. we also have tin components and wires, which will be shown in the video. The soldering iron is getting hot for first time and tin it, so the tin will become fluid. Then using wet sponge we wipe the tin off. here is the video: