| The Columbia Encyclopedia, Sixth Edition. 2001-07. |
| oxyacetylene torch |
( k´´s  s t´ln) (KEY) , tool that mixes and burns oxygen and acetylene to produce an extremely hot flame. This torch can be used for cutting steel and for welding iron and various other metals. The temperature of the flame can reach as high as 6,300°F (3,480°C). |
| The Columbia Encyclopedia, Sixth Edition. Copyright © 2007 Columbia University Press. |
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