Ключевые слова: background, black, bright, cast, casting, dark, energy, extraction, factory, fire, flame, flow, foundry, furnace, gold, heat, heavy, hot, industrial, industry, ladle, light, liquid, manufacturing, melt, melting, metal, metallurgical, metallurgy, mill, molten, person, plant, pour, power, precious, production, red, russia, siberia, smelt, smelter, smelting, spark, steel, work,