In particular, you need an actual MIG ... welding takes a big bang. We don’t know how to create our own argon, but we did see someone make their own carbon dioxide shield gas, not long ago.
[Brett] from [Theoretically Practical] has done with his old MIG welder ... and a spot welding timer. Pre-flow starts the flow of shielding gas a moment before energizing the filler wire, while ...
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