Ключевые слова: background, beautiful, black, blue, busy, color, construction, drilling, energy, equipment, extraction, features, gas, gray, heavy, homework, in the evening, industry, jack, labor, liquid, money, oil, oil fields, pipe, power, process, pump, pumping unit, raw, red, running, silhouette, sky, steel, store, strength, sun, tall, technology, towers, wealth, work well,