Sagging Sewage Procedure Lines-- Dust alterations can make your drain line to sag. When this happens, the section that has sunk accumulates paper and waste bringing about a blockage.????? ?? ???????? ???????? ??? ????? ????????? ? ????? ??????????.????? ????? ????? ? ???????? ????? (?.?. ?????? ???????????)?? ????????? ??? ??????????? ??? ?????????