Description
ARC welding” (also known as Shielded Metal Arc Welding – SMAW, or Manual Metal Arc welding – MMA) is one of the most common and versatile welding processes. It involves using an electric arc between a consumable electrode (a “stick” or welding rod) and the base metal to melt and join the metals. The electrode is coated in flux, which creates a shielding gas and slag to protect the weld from atmospheric contamination.
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