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Originally Posted by sjcrss
actually the mig welders I used....at least in high school and in the Navy....we used Argon gas....which the gas doesn't feed the wire....inside of the welder is a wire feeder...and what the gas does, is it shealds the weld from contaminants, while you are laying down the bead....
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If you run out of the gas, the wire won't feed at all.