Ключевые слова: architecture, city, complex, connection, construction, detail, device, drain, dry fountain, empty, empty fountain, engineering, equipment, faucet, flow, fountain, industrial, industry, infrastructure, machine, maintenance, mechanism, modern, municipal, nozzle, object, outdoor, park, pipe, pipeline, pipes, plumbing, pool, pump, repair, steel, street, system, technology, tool, travel, tube, urban, valve, water,