Ключевые слова: air, background, black gold, chair, clouds, crude, dramatic, drilling, ecology, environmental pollution, equipment, exploration, extraction, field, fuel, gas, gasoline, generation, heaven, heavy, industry, landscape, machine, machinery, nature, oil, petrochemical, pipe, platform, power, pressure, pump, pump jack, raw, rural, scene, sky, steel, sun, sunset, swing, tools, wealth, work,