In this video, Jack Dulls, Director of Training at Tulsa Welding School Jacksonville, demonstrates 4G 7018 all the way out with a backing strip on a 3/8 plate. This is a welding certification test, and it’s one of the tests offered at the TWS Jacksonville campus.
#weldingcertificationtest #weldingcertification #4g7018
17 сен 2024