Ключевые слова: alley, aquarius, asphalt, auto, brush, bulgaria, bush, car, carriageway, city, clean, cleaning, covering, dust, equipment, flower, foliage, for, garbage, gardening, grass, ground, hose, industry, leaf, machine, nature, park, pour, pump, season, sofia, specialized, sprinkler, street, summer, tree, urban, utility, washing, water, watercart,