Ключевые слова: activity, background, building, business, compactor, concrete, construction site, day off, development, dump truck, engineering, equipment, excavator, factory, fresh, gravel, heavy, highway, industrial, industry, job, parking, pavement, professional, project, renovation, repair, road, roadwork, roller, steam, street, tractor, transportation, truck, urban, vehicle, vibration, wheel, work, yellow,