Ключевые слова: acetylene, bright, burner, closeup, collar, construction, cut, dangerous, equipment, expertise, fence, fire, flame, foundry, gas, glasses, glow, hazardous, hot, industrial, industry, install, iron, job, liquid, machinist, manufacturing, metal, metallurgy, metalwork, night, occupation, outdoor, oxygen, pipe, production, profession, propane, red, repair, road, rust, spark, steel, tools, torch, weld, welder, welding, work,