Gas Welding is also known as oxyacetylene welding. Oxyacetylene weld is a fusion weld. The heat produced by burning acetylene gas with oxygen gas makes the edges of metal to be welded melt and fused together while
Arc welding is welding with an electric current. Two types of electrical current is used in Arc welding. These are the alternating current ‘Ac’ or the direct current Dc is used, it involves passing current through the electrode to the parent metal. With the electrode, a little distance from the parent metal causes an arc that melts the parent metal and the electrode thereby fusing together on solidification.
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