prepared by AWS Committee on Welding in Marine Construction, Subcommittee on Underwater Welding and Cutting ; under the direction of AWS Technical Activities Committee
prepared by AWS Committee on Robotic and Automatic Welding ; under the direction of the Technical Activities Committee ; approved by AWS Board of Directors NEMA Codes and Standards Committee
prepared by AWS C4 Committee on Gas Welding and Oxygen Cutting ; under the direction of AWS Technical Activities Committee ; approved by AWS Board of Directors, August 9, 1983
prepared by AWS Structural Welding Committee ; under the direction of AWS Technical Activities Committee ; approved by AWS Board of Directors, May 6, 1977