GAS welding ARC for the construction, maintenance, and repair of pipeline systems and assemblies. Cutting, dismantling, straightening, or reshaping pipe sections and components. Perform hot-tapping or the welding of live pipelines. Use arc welding processes including MIG welding and TIG welding Be proficient at a number of welding processes, such as arc welding, heli-arc, oxyacetylene, and brazing processes