Welding testMig Welding Tips-4g Mig Overhead Plate Test April 28, 2021 - Leave a Comment Facebook Twitter Pinterest weldingtipsandtricksWed, April 28, 2021 8:42pmURL:Embed:4g mig overhead welding test. 4g means overhead but that does not mean it has to be higher than your head. Get comfortable, take dry runs, figure out what … Facebook Twitter Pinterest