1. Gas Metal Arc Welding (GMAW - Gas Metal Arc Welding) / "MIG/MAG welding"
2. Gas Metal Arc Welding (GMAW - Gas Metal Arc Welding) / "MIG/MAG welding"
3. Gas Tungsten Arc Welding (GTAW - Gas Tungsten Arc Welding) / "TIG welding"
4. Submerged Arc Welding (SAW - Submerged Arc Welding)
5. Resistance Welding (RW - Resistance Welding)