Ключевые слова: building, business, cement, chalk, chemical, chemistry, chimney, clinker, commercial, concrete, construction, contamination, conveyor, crane, emissions, energy, engineering, equipment, facility, factory, fuel, gas, greenhouse, heavy, industrial, machinery, manufactory, manufacture, metallurgy, mining, oil, petrochemical, petroleum, pipes, plant, pollution, power, processing, producing, production, raw, refinery, site, smoke, station, steel, structure, technology, tower,