Sagging Sewage Method Strains-- Grime adjustments can produce your drain line to sag. When this happens, the part which has sunk accumulates paper along with squander leading to a blockage.?? ????????????? ????? ??????? ?? ???????? ?? ?????? ???? ???, ??????????? ?????? ?????????? ????????? ??? ?????? ??? ????????????? ????????? ?? ??????, ????????