Sagging Sewage Method Traces-- Dirt adjustments can generate your drain line to sag. When this happens, the part that has sunk accumulates paper as well as waste bringing about a blockage.?????????? ????????, ????????????? ??? ???????? ???? ?????, ???????? ? ???????:– ????? ??????????????? ??? ?? ?????????? ??? ?? ??????? ??? ??????? ??? ???? ???