Ключевые слова: activity, backhoe, bucket, bulldozer, construction, development, dig, digger, digging, dirt, dusty, earth, equipment, excavate, excavating, excavation, excavator, heavy, hollow, hydraulic, industrial, industry, loader, machine, machinery, metal, mine, mining, mover, power, sand, scoop, shovel, site, soil, tractor, vehicle, work, working, yellow,