Ключевые слова: abstract, background, battery, blue, burn, burner, christmas, collar, construction, craft, dangerous, electric, engineering, equipment, expertise, factory, fire, flame, flash, gas, glasses, heat, hot, industrial, industry, iron, light, line, machine, manufacture, manufacturing, metal, occupation, oxygen, production, protection, repair, safety, science, spark, steel, technical, technology, tools, torch, weld, welder, welding, work, worker,