Ключевые слова: aerial, architecture, circular, city, clean, conservation, construction, control, design, development, discharge, distribution, eco friendly, ecosystem, efficiency, effluent, energy, engineering, environment, environmental, facility, filtration, industrial, infrastructure, innovation, landscape, machinery, maintenance, management, modern, network, operation, pipes, plant, pollution, power, process, purification, recycle, safety, sustainability, system, tanks, technology, treatment, urban, view, wastewater, water,