in welding process oxygen is combined with
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33 001 gas welding: Fusion welding, with or without filler metal, in which the heat for welding is produced by the combustion of a fuel gas or gasses with an admixture of oxygen. 33 002 oxy-acetylene welding: Gas welding in which the fuel gas is acetylene.
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Explanation:
33 001 gas welding: Fusion welding, with or without filler metal, in which the heat for welding is produced by the combustion of a fuel gas or gasses with an admixture of oxygen. 33 002 oxy-acetylene welding: Gas welding in which the fuel gas is acetylene.
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