Ключевые слова: bucket, construction, crucible, dark, equipment, factory, fiery, flame, foundry, heat, heavy, hot, industrial, industry, iron, ladle, liquid, machine, manufacturing, material, melting, metal, metallic, metallurgical, metallurgy, metalwork, mill, orange, plant, pollution, production, slag, sludge warehouse, smelt, smelting, sparks, steel, steelworks, technology, transportation, vat, waste, work, workshop,