Ключевые слова: abstract, background, blue, burn, business, circle, construction, craft, craftsman, cut, cutting, dangerous, disc, electric, energy, equipment, factory, fire, flame, grind, grinder, heat, high, hot, industrial, industry, iron, machine, manufacture, manufacturing, mechanic, metal, pipe, power, production, red, repair, saw, spark, steel, tool, tools, turning, weld, welder, welding, wheel, work, worker, workshop,