Ключевые слова: activity, arm, backhoe, bucket, building, building activity, bulldozer, city, civil engineering, construction, construction equipment, construction site, crawler, development, dig, digger, dirt, earth mover, earthmover, earthworks, engineering, equipment, excavate, excavating, excavation, excavator, gravel, heavy, hydraulic, industrial, industry, infrastructure, loader, machine, machinery, mover, power, project, road, scoop, shovel, site, street, transportation, under construction, urban, vehicle, work, worker, yellow,