Let's learn Arc welding~~♪~＼(´ε｀ )ノ (Stick,CO2,Tig)

SMAW(Shield Metal Arc Welding)
Stick Arc Welding
CO2 Gas Arc Welding
TIG(Tungsten Inert Gas Welding) 
Field welding technology
Welding training
Ultrasonic Testing
High Level Technique Welding
UT Welding,  RT Welding
Welding Technique
X-RAY Welding