- Polk Mechanical Company LLC (Dfw, TX)
- Combo Welder Polk Mechanical is looking for the best...of electric, gas, and other welding processes such as electron beam welding, and the skill to ... Welders use accepted trade methods and a variety of manual welding processes, for example, several different gas torch...electrodes or rods. + Welders apply a variety of manual welding processes to make more difficult welds, including… more