Ключевые слова: blue, build, building, business, cargo, chemistry, conservation, construction, danger, energy, environment, equipment, exterior, factory, fuel, gas, gathering, generation, gray, heap, horizon, horizontal, industrial, industry, landscape, nature, nobody, oil, over, park, petroleum, pipeline, power, refinery, row, science, silhouette, sky, stack, station, stockpile, substance, summer, supply, tall, tank, technology, tower, warehouse,