Ключевые слова: big, buffer, built structure, can, cistern, clean, clear, collector, construction, construction industry, covered, danger, engineering, environmental, equipment, factory, fertilizer, fighting, fire, flowerbed, friendly, future, horizontal, hydrant, industrial, infrastructure, ladder, large, liquid, metal, no people, object, outdoors, pipe, pressure, pump, reserve, reservoir, round, safety, save, sprinkler, steel, storage, sunlight, tank, water, water pipe,