Question

what is oxy-acetylene flame ?

Answer 1

The oxy-acetylene flame is a gas torch that burns a mixture of acetylene and oxygen to produce a high temperature flame that can be used for welding, cutting and other metal working.
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Answer 2

Answer:

Oxy-fuel welding and oxy-fuel cutting are processes that use fuel gases and oxygen to weld or cut metals. French engineers Edmond Fouché and Charles Picard became the first to develop oxygen-acetylene welding in 1903.