Ключевые слова: aerial, basin, circle, clarifier, drone, ecology, ecosystem, environmental conservation, industry, plant, pollution, pool, purification, recycle, removal, round, sedimentation, sedimentation tanks, segments, separate system, separation, sewage, sewage station, sewage system, sewage treatment, sewage treatment plant, sewer, sewerage, system, tank, technology, treatment, treatment plant, waste, wastewater, wastewater treatment, water, water purification, water treatment,