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arc welding
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Welder in a blue uniform and protective helmet using shielded metal arc welding to join metal pieces, with bright sparks and smoke visible at the welding point.
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welding
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arc welding
arc welding Shielded metal arc welding.

arc welding

metallurgy
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History

arc welding, use of a sustained luminous electrical discharge (arc) as a source of heat for melting the filler metal (welding rod) and the metals being welded. See welding.

This article was most recently revised and updated by Amy Tikkanen.