Ключевые слова: activity, armor, armored, army, background, battle, build, building, bulldozer, car, caterpillar, clay, close, closeup, conflict, construction, craft, crane, detail, earth, engineering, equipment, excavator, gear, ground, gun, heavy, industrial, industry, iron, loader, machine, machinery, metal, metallic, military, old, power, rusty, sand, steel, tank, technology, track, transportation, up, vehicle, war, weapon, wheel,