When burned with oxygen, this gas, C2H2, burns so hot it can weld iron & cut steel
[DOC] [TLE] A Historic Review of the Oxy-Acetylene and Plasma Cutting Processes [PAR] There, oxy-acetylene torches could cut a porthole in 3-inch armorplate in ... 
1910.253, oxygen-fuel gas welding and cutting) has been a fact of life for anyone 
under 50, ... since the beginning have been burn-through, explosion and the 
potential for ... take it for granted that plasma cutting cuts any electrically 
conductive metal.