Ключевые слова: autumn, background, blue, color, concept, counterweight, energy, equipment, exploration, fossil, fuel, gas, gasoline, geology, group, industrial, industry, lever, machine, many, meadow, natural, nobody, oil, oilwell, outdoors, pipeline, pollution, power, prairie, pulley, pump, pump jack, red, resource, rig, row, russia, scenic, september, sky, steel, summer, sunlight, tatarstan, wealth,