Ключевые слова: activity, asphalt, asphalting, blade, building, bulldozer, clearance, concrete, construction, dirty, earth, equipment, excavation, excavator, grader, graders, ground, heavy, highway, hydraulic, industrial, industry, land, large, machine, machinery, mining, motor, mover, operator, outdoors, pavement, power, repair, road, scoop, site, steel, street, technical, track, tractor, transport, transportation, vehicle, wheel, work, worker, workers, yellow,