which chemical use to tarch cut
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In order to fail light filament, the chemical used on copper is tungsten.
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Cutting
In gas cutting a flame of fuel gas such as acetylene burning in oxygen heats the area to be cut; a stream of oxygen is then injected around the flame which actually burns the steel and ejects the oxide as dross. The cutting torch may be hand held or it may be mounted on a mechanised carriage.
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