Ключевые слова: black, bright, casting, crucible, dark, equipment, factory, fire, flame, flowing, foundry, furnace, glow, glowing, gold, heat, heavy, hot, indoor, industrial, industry, iron, ladle, liquid, manufacture, manufacturing, material, melt, melting, metal, metallic, metallurgical, metallurgy, metalwork, mill, molten, orange, plant, pour, pouring, power, production, red, smelt, spark, steel, technology, tool, work, workshop,