The Fabrication Welder sets up and welds together metal components of products such as pipe, flanges, extensions, and plates; identifies, manually welds, and repairs defects in welded pipe with electric arc-welding equipment. Strikes (forms) arc, manually guides electrode or gun along weld line, maintaining length of arc and speed of movement to form specified depth of fusion and bead, as judged from color of metal, sound of weld, and size of molten puddle.