2. Work Materials
- MAG welding:
- Steel welding apparatus (see WORKSHOP EQUIPMENT ).
- Steel welding wire - G3SI1 (SG2) or alternatively G4SI1 (SG3)
- Welding mask
- Gas bottle containing inert gas (82 % argon, 18 % CO 2 )
- Resistance pressure spot welding:
- Spot-welding apparatus (see WORKSHOP EQUIPMENT ).
- Protective goggles