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plz give hazards of cylinder used in gas weldingand plz give information about oxy-acetylene welding..
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2. 453 views
plz give hazards of cylinder used in gas weldingand plz give information about oxy-acetylene welding..
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2. 504 views
plz give me information about electrodes used in arc welding...?
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2. 386 views
A 24ft high conical water tank has its vertex on the ground and radius of the base is 10 ft. If water flows into the tank at a
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2. 1,114 views