Ключевые слова: auto, bright, built, business, carbon, chemical, chemistry, chimney, color, construction, dark, energy, engineering, environment, factory, gas, global, industrial, industry, large, light, lighting, manufacture, metal, modern, night, oil, outdoors, petrochemical, petrol, petroleum, pipe, pipeline, plant, pollution, power, production, refinery, smoke, steam, tank, technology, tower, tube, view, warming, work,