Ключевые слова: abstract, agricultural, agriculture, agronomics, agronomy, backgrounds, building, bulldozer, caterpillar, chain, closeup, construction, continuous, corroded, corrosion, crawler, detail, dirt, dirty, dozer, dry, earthmover, equipment, excavator, farm, farming, industrial, industry, link, machine, machinery, metal, old, outdoors, powerful, propulsion, rust, rusty, steel, surface, tank, technical, texture, track, tractor, tread, used, vehicle, wheel, work,