Ключевые слова: basin, bubbles, canal, channel, clarifier, clean, conservation, contaminants, convert, dirty, disposal, drain, effluent, environment, environmental, facility, filtration, flow, human waste, infrastructure, mechanical clearing step, plant, pollution, processing, purification, rainwater, recirculation, reclamation, recycling, refinery, remove, reused, round, sedimentation, sewage, sewage treatment, solid, solid waste, station, structure, technology, treat, used, waste, wastewater, wastewater treatment, water cycle, water facility, water tank, water treatment system,