Welding 5


Welding 5 : The several types of welding are electric arcwelding, oxyacetylene welding, spot welding, and inert or shielded gas welding using helium or argon. The hazards involved in welding stem from the fumes from the weld metal such as lead or cadmium metal, the gases created by the process, and the fumes or gases arising from the flux
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