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