Ключевые слова: agricultural, agriculture, background, beautiful, boy, bulldozer, car, child, childhood, closeup, colorful, construction, dirt, environment, equipment, excavation, excavator, farm, farmer, field, fun, grass, green, heavy, industry, isolated, land, machine, machinery, model, object, plant, plastic, play, power, red, sand, season, small, summer, toy, tractor, transport, transportation, truck, vehicle, wheel, white, work, yellow,