Sagging Sewage Program Strains-- Grime adjustments can create your drain line to sag. When this happens, the area that has sunk accumulates paper together with waste bringing about a blockage.?????????? ????????, ????????????? ??? ???????? ???? ?????, ???????? ? ???????:???? ? ?????????? ??? ?????? ?? ???????? ?? ??????? ???????????, ?? ??????? ???