Ключевые слова: agriculture, alternative energies, alternative energy, biodiesel, castor, castor bean, close up, close ups, closeup, color image, colour image, eco friendly, ecofriendly, environmentally friendly, exterior shot, exterior shots, eye level view, farm, farming, fuel, green eco friendly, green energy, leaf, leaves leaf, nature detail, nature details, no people, no person, no persons, nobody, oil, oilseed, outdoor shot, outdoors, outside, plant botany, plants botany, ricin, ricinus communis, seed plant, seed pod, seed pods, seeds plant, summer, summertime, sunny,