Sagging Sewage Method Strains-- Grime changes can make your drain line to sag. When this happens, the portion that has sunk accumulates paper together with squander leading to a blockage., ????? ??????? ????? ?? ????? ?????????????? ???? ??? ???????? ???, ????????????? ??? ??? ??? ?? ?????????? ???? ?????????? ??? ??????? ???.???? ?? ???????? ??? ?