Operates manual or semi-automatic welding equipment to fuse metal segments, using processes such as gas tungsten arc, gas metal arc, flux-cored arc, carbon arc, plasma arc, shielded metal arc, resistance welding, submerged arc welding and pipe welding. Summary: This position welds metal components together to design specifications or repair products, such as machine parts, shipboard equipment, according to layouts, blueprints or work orders, using approved welding and brazing procedures with a variety of arc and gas welding equipment.