Ключевые слова: asphalt, atwork, brush, capital, car, caucasian, center, central, city, citycenter, clean, cleaner, cleanstreet, destination, dirt, downtown, environment, equipment, europe, floor, garbage, green, industrial, industry, machine, machinery, man, road, rotating, rubbish, sidewalk, street, sweeper, system, trash, truck, urban, vacuum, vehicle, wash, waste, work,