Sagging Sewage Method Strains-- Dirt alterations can make your drain line to sag. When this happens, the part that has sunk accumulates paper as well as squander resulting in a blockage.??????????? ????? ??? ??? ??? ?????????? ?????? ??? ???????????? ?? ????? ????? ??? ????????, ??? ????????? ??? ??? ??????? ????????? ?????? ??? ?????????????, ?? ?