Ключевые слова: 3d, 3d illustration, 3d rendering, blue, botswana, business, construction, environment, equipment, exploration, flag, fuel, gold, illustration, industrial, industry, machine, natural, oil, oil well, oilfield, petroleum, pipe, plant, power, pump, red, rendering, resource, silhouette, sky, sun, sunrise, sunset, symbol, technology, well, wells, yellow,