Sagging Sewage Method Lines-- Dirt improvements can make your drain line to sag. When this occurs, the area that has sunk accumulates paper and also squander resulting in a blockage.?????????? ??????????? ??? ????????????? ???? ???? ???????? (????? ????? ????? ? ???????? ????? (?.?. ?????? ???????????)????????????? ?? ???????????? ??? ??????????, ?