Vertical position
Horizontal position
Over head position
Down head position
Butt weld
T weld
Corner weld
Lap weld
Argon
Argon + 20% CO2
Argon + 1% oxygen
Argon + 10% hydrogen
Gas welding
Resistance welding
Submerged arc welding
Shielded metal arc welding
One
Two
Three
Four