Ключевые слова: background, bright, burning, casting, construction, enterprise, environmental, equipment, explosion, facility, factory, fire, fireplace, flame, flowing, foundry, furnace, heat, heavy, hot, industrial, industry, iron, light, liquid, making, manufacturing, melt, melting, men at work, metal, metallurgy, mill, molten, night, plant, process, production, red, safety, smelting, smoke, spark, steel, stove, technical, temperature, work, workshop,