Ключевые слова: aerial, basins, biological, chemical, circular, clean, community, disposal, drone, ecology, efficiency, engineering, environment, facility, filtration, future, health, industrial, infrastructure, innovation, management, operation, pipeline, plant, pollution, process, purification, recycling, reservoir, resource, safety, sedimentation, service, sewage, sustainable, system, tank, technology, top view, treatment, utility, waste, wastewater, water,