The electrode rod used for welding uses a coating on it

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anonymous1 · Answer 1 · 2018-04-29T22:53:55+0000

The electrode rod used for welding uses a coating on it to give a vapour to serve as a shielding gas to protect the weld area from atmospheric contamination and to provide slag to protect the welded area

The electrode rod used for welding uses a coating on it

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