Ключевые слова: aggregates, ballast, build, bulldozer, construct, construction, contractor, dig, digger, dirt, engineer, engineering, equipment, excavation, excavator, grader, gravel, heavy, highway, hydraulic, industrial, industry, infrastructure, labor, leveling, load, machine, machinery, mechanical, mining, move, outdoors, power, road, rock, sand, scoop, site, soil, stone, technology, tractor, transport, transportation, truck, vehicle, wheel, work, yellow,