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Correct Answer: (A)
oxy fuel gas welding
Explanation: gas welding is also known as oxy fuel gas welding. in gas welding, fuel gases are used to generate high amount of heat and melt the metal.
Explanation by: Mr. Dubey
gas welding is also known as oxy fuel gas welding. in gas welding, fuel gases are used to generate high amount of heat and melt the metal.
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