Ключевые слова: blackgold, cloudy, color, construction, contamination, countryside, crude, derrick, diesel, dirt, drilling, earth, ecology, energy, equipment, exploration, extraction, facility, fuel, gas, gasoline, green, grow, hour, industrial, industry, machine, motor, nodding, oil, oilfield, oilindustry, petroleum, pipe, pipeline, plant, platform, power, pump, pumping, pumpingunit, pumpjack, refine, resources, rig, rocking, silhouette,