Ключевые слова: acetylene, ark, armature, background, bright, construction, cut, cutter, cutting, equipment, factory, fire, flame, flash, gas, glow, hands, heat, hot, industrial, industry, iron, job, labor, light, machine, manufacturing, melting, metal, mittens, occupation, oxygen, profession, protection, repair, safety, skill, sparks, steel, structure, technical, torch, welder, welding, work, worker,