Ключевые слова: asphalt, bioclean, broom, bucket, business, chores, clean, cleaner, cleaning, cleanliness, cleanness, dust, dust pan, equipment, floor, foot path, footway, industrial, job, litter, maid, miss, mop, occupation, pass, passage, pedestrian way, people, person, purity, road, routine, sanitation, scoop, service, shovel, side walk, sterile, street, sweeper, sweeping, uniform, urban, washer, waste removal, wiper, work, worker, working,