Ключевые слова: activity, backhoe, big, black, bucket, build, bulldozer, construction, demolition, destruction, development, dig, digger, dirt, dirty, earth, engineering, equipment, excavation, gravel, ground, heavy, hydraulic, industrial, large, loader, machine, machinery, metal, mover, outdoor, power, road, rocky, sand, scoop, shovel, site, soil, steel, surface, technology, tire, track, tractor, transportation, vehicle, wheel, work, yellow,