DIY home made metal hardening with gas cutting torch

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Photo credit: © patrapee tongpliw / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: acetylene, blue, bright, burner, close, construction, cut, cutting, dangerous, equipment, factory, fire, flame, furnace, gas, glass, glow, hardening, heat, hot, industrial, industry, iron, ironwork, kiln, melting, metal, metallurgy, metals, metalwork, oven, oxygen, production, red, steel, temperature, tempering, tools, torch, welding, work