Sagging Sewage Technique Strains-- Grime modifications can make your drain line to sag. When this happens, the section which has sunk accumulates paper in addition to squander resulting in a blockage.????? ?? ???????? ???????? ??? ????? ????????? ? ????? ??????????.??? ?????? ????? ?????????? ?? ?????????, ?????????????, ??????, ??????????? ??? ??