Ключевые слова: action, asphalt, automobile, broom, brush, business, car, city, clean, cleaner, cleaning, cleanliness, cleanup, detail, dirty, dust, environment, equipment, garbage, industrial, industry, junk, lorry, machine, machinery, mechanical, motion, motorized, municipal, purity, road, routine, rubbish, sanitation, service, street, sweeper, sweeping, transportation, trash, truck, urban, vehicle, waste, wheel, work, working,