Ключевые слова: black, blue, built, business, chemical, chimney, crude, distillation, energy, environment, equipment, factory, fires, fuel, gas, gasoline, generation, global, industrial, industry, jack, light, metal, night, oil, oilfield, petrochemical, petroleum, pipe, pipeline, plant, pollution, power, pump, pump jack, refinery, reservoir, rig, sky, steam, sunrise, sunset, tank, technology, tower, valve, well, wellhead,