Ключевые слова: acetylene, bright, burner, construction, cut, dangerous, equipment, expertise, factory, fire, flame, flash, foundry, gas, glow, hazardous, hot, industrial, industry, iron, job, light, liquid, machinist, manufacturing, metal, metallurgy, metalwork, molten, occupation, oxygen, pipe, production, profession, propane, protection, red, repair, rust, spark, steel, tools, torch, weld, welder, welding, work,