Ключевые слова: action, asphalt, automobile, belgium, business, car, city, cleaner, cleaning, cleanliness, cleanness, cleanup, dust, environment, equipment, europe, footway, garbage, industrial, industry, junk, lorry, machinery, mechanical, motorized, municipal, north, powered, purity, road, routine, rubbish, sanitation, service, street, sweeper, sweeping, tidy, transportation, trash, truck, urban, van, vehicle, washer, waste, way, working,