Ключевые слова: arc, blast, bright, burning, casting, charge, construction, dangerous, dirty, during, electric, environment, equipment, factory, fire, flame, foundry, furnace, glow, heat, heavy, high, hot, industrial, industry, iron, ladle, light, liquid, manufacturing, melting, metal, metallurgical, metallurgy, molten, operation, plant, pour, power, process, production, red, scrap, smoke, spark, sparkle, steel, technology, work, workshop,