Sagot :
Answer:
It uses a shielding gas along the wire electrode, which heats up the two metals to be joined. This method requires a constant voltage and direct-current power source, and is the most common industrial welding process.
Answer:
Shielded Metal Arc Welding. Shielded metal arc welding, frequently referred to as stick welding, is a very common and popular method of welding. It is typically used in construction, steel fabrication, pipeline work and for repairing heavy equipment.