Overhaul Of The Aeration System With The Replacement Of Disc Aerators In Bioreactors At The Section Of Sewage Treatment Facilities Of The Water Disposal Workshop. The Communal Enterprise "Kremenchukvodokanal" Of The Kremenchuk City Council Of The Kremenchuk District Of The Poltava Region "Kremenchukvodokanal" In The City Of Kremenchuk Poltava...