oxy acetylene welding.


The oxyacetylene welding process uses a combination of oxygen and acetylene gas to provide a high temperature flame.
Oxy-fuel welding (commonly called oxyacetylene welding, oxy welding, or gas welding in the U.S.) and oxy-fuel cutting are processes that use fuel gases and oxygen to weld and cut metals, respectively.
In oxy-fuel welding, a welding torch is used to weld metals. Welding metal results when two pieces are heated to a temperature that produces a shared pool of molten metal. 
The molten pool is generally supplied with additional metal called filler. Filler material depends upon the metals to be welded.



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