Ключевые слова: asphalt, baste, black, blue, brush, car, city, clean, cleaned, cleaner, cold, collector, dirt, dirty, driving, dry, dust, engineering, equipment, garbage, highway, machine, mechanism, men, motion, orange, outdoor, pavement, people, red, refuse, revolve, road, rotate, rubbish, special, street, sweep, sweeper, sweeping, tack, technics, technique, truck, turn, urban, vacuum, wash, wheel, yellow,