Ключевые слова: air, building, business, chemical, chimney, column, complex, construction, crane, energy, engineering, environment, environmental, equipment, factory, fencing, fuel, gas, gasoline, heat exchanger, heavy, industrial, industry, metal, oil, oil refinery, petrochemical, petroleum, pipe, pipeline, plant, pollution, power, processing, production, refinery, sky, smoke, steam, steel, storage, structure, tank, technology, tower, tube, work, worker, workplace, workshop,