... product, multi functions in one machine2) Electronic function shift, easy to operate, economic and durable 3) Good arc initiation for TIG ... 4) SMAW for 2.5-3.2 welding electrodes, easy to arc initiation, stable arc 5) Handy and simple air plasma ... suitable for cutting of variety of metallic sheets 6) Compact, easy to install, convenient to move 7) Crafty circuit design, simple structure, safe ...