Sagging Sewage Method Lines-- Grime alterations can develop your drain line to sag. When this occurs, the segment which includes sunk accumulates paper along with waste bringing about a blockage.??????? ????? ????????? ?? ????? ???????, ?????????? ??? ??????????? ??????, ??????? ??? ?? ????????? ??? ??? ???????? ??????????.?? ???? ???? ???, ?? ????