Ключевые слова:
Welding, Arc welding, Arc-welding equipment, Welding electrodes, Pin joints, Approval testing, Metalworking, Metals, Weldability, Working range, Studs (fasteners), Grades (quality), Defects, Visual inspection (testing), Environment (working), Quality assurance, Design, Maintenance, Specification (approval), Acceptance (approval), Bend testing, Tensile testing, Radiographic testing, Personnel, Process control, Records (documents), Forms (paper), Test equipment