Oxyacetylene is a mixture of oxygen and acetylene gas which produces a very hot flame. [Please select]
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It was found, however, that when Oxyacetylene using acetylene under low pressures, the burner tip blowpipe. [Please select]
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Regarding each new intricate mechanism--metal lathe, two-jet carburetor, machine gun, oxyacetylene welder--he learned one good realistic-sounding phrase, and used it over and over, with a delightful feeling of being technical and initiated. [Please select]
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