Ключевые слова: aerial view, building, cement, chalk, chemical, chemistry, chimney, concrete, construction, conveyor, crane, ecology, emissions, energy, engineering, environment, evening, facility, factory, fuel, gas, greenhouse, heavy, industrial, machinery, manufactory, manufacture, metallurgy, mine, oil, panoramic, petroleum, pipes, plant, pollution, power, producing, production, raw, refinery, site, smoke, station, steel, storage, structure, sunset, technology, tower,