smaw – shielded matal arc welging.

abstrack arc background bright brightly burning color construction dark descriptive electrodes engineering equipment factory flame gas grooved ground heat helmet horizontal image industrial industry installation iron ironwork light lit machine manual manufacturing matal material metal metalwork natural occupation orange overalls oxyacetylene point portion power protection red repairing safety sheet shielded shop skill skilled smaw spark sparks spot steel technology tool welder welding welging wire work worker working workshop