http://www.learn-how-to-weld.com/mig-welding/gasless-mig-welder.html Gasless mig welder, Part1. I show you some of the basic parts to a small gasless mig welder. A gasless mig welder can be used for mig welding DIY welding projects. A home mig welder like this one in the video is a good choice for the beginner welder as they are much easier for you when you need to learn how to mig weld.