Sagging Sewage Program Strains-- Grime adjustments can create your drain line to sag. When this happens, the section that has sunk accumulates paper and squander leading to a blockage.????? ?? ???????? ???????? ??? ????? ????????? ? ????? ??????????.??????????? ????? ???? ??????? ??? ??? ????? ???????? ??? ??????????? ???? ???????????? ??? ?????, ?