Ключевые слова: backdrops, background, bahamas, bark, branch, country, crude, culture, derrick, drill, drilling, effect, election, field, flag, flags, fuel, gas, government, graphic, grunge, grungy, illustration, independence, independent, industry, lobby, nation, nationality, oil, oilfield, petroleum, plant, politics, president, refinery, rig, sovereign, state, symbol, tower, tree, unity, vote, well, worn,