Ключевые слова: activity, asphalt, backhoe, building, bulldozer, construct, construction, contractor, dig, digger, dozer, dump, dumping, engineer, engineering, equipment, excavate, excavating, excavation, excavator, gravel, heavy, hydraulic, industrial, industry, load, loader, machine, machinery, metal, mine, mover, pavement, road, rock, sand, scoop, shovel, site, soil, tipper, tractor, transport, transportation, truck, trucking, unload, vehicle, work, yellow,