Ключевые слова: background, blast, bright, bucket, building, combustion, construction, danger, environment, equipment, factory, fire, flame, foundry, furnace, glowing, heat, heavy, hot, industrial, industry, interior, iron, ironworks, light, line, liquid, manufacture, manufacturing, melting, metal, metallic, metallurgical, metallurgy, mill, molten, plant, power, production, red, safety, smelting, spark, steel, steelworks, technology, temperature, work, worker, workshop,