Ключевые слова: abstract, acetylene, arc, background, black, blow, bright, burning, construction, cutting, danger, dangerous, electric, equipment, expertise, fabrication, factory, fire, flame, gas, glow, hazardous, hot, industrial, iron, job, labor, light, metal, mill, molten, occupation, oxygen, pipe, power, production, profession, red, repair, round, rust, scorched, skill, sparks, steel, technical, tool, torch, welding, working,