Ключевые слова: activity, backhoe, build, building, bulldozer, caterpillar, claw, commercial, construct, construction, development, dirt, ditch, dump, dumper, earth, equipment, excavate, excavation, excavator, fill, haul, heavy, industry, job, load, loader, lorry, machine, machinery, mover, quarry, sand, scoop, shovel, technology background, transport, transportation, truck, urban, vehicle, work,