Sagging Sewage Program Lines-- Grime adjustments can create your drain line to sag. When this happens, the area which has sunk accumulates paper along with squander leading to a blockage.??????????? ????? ??? ??? ??? ?????????? ?????? ??? ???????????? ?? ????? ????? ??? ????????, ??? ????????? ??? ??? ??????? ????????? ?????? ??? ?????????????, ??