Ключевые слова: activity, background, backhoe, brown, bucket, bulldozer, cloudy, construction, dirt, earth, equipment, excavation, excavator, gravel, heavy, industry, loading, machine, machinery, mining, mountains, mud, outdoors, pattern, road, sand, scoop, shovel, site, soil, sunlight, texture, tire, toy, tracks, tractor, transportation, truck, vehicle, wheel, yellow,