Apply oxyacetylene, electrode arc, submerged arc, SMAW, GMAW, GTAW, metal spray arc, spot, and stud welding to join common metals and alloys, including dissimilar metals; weld structures, plates, sheet metal, castings, forgings, pipes, boilers, shafts, turbines, valves, caissons, and tanks; produce water- and air-tight welds with complete penetration and fusion, including in hard-to-reach positions. Operate and maintain slip roll forming machines, box and pan brakes, rotary machines, crimping/burring/turning/beading machines, hydraulic press brake, shears, form roller, hand brakes, drill press, saws, punches, plate roll, and soldering/welding equipment; update the work order system to completion.