Ключевые слова: belt, blast, briquette, briquetted, bunker, cast, casting, complex, conveyor, emission, exterior, factory, fe, foundry, furnace, granules, heat, heavy, industrial, iron, ironwork, manufacturing, melting, metal, metallurgy, mill, mining, modern, ore, oven, pelletizing, pellets, pipeline, plant, pollution, process, produce, production, production line, refinery, smoke, sponge, sponge iron, steel, steel processing, technology, tower, tube, working,