Sagging Sewage System Strains-- Grime alterations can make your drain line to sag. When this occurs, the part which includes sunk accumulates paper together with squander resulting in a blockage.????? ???? ????????? ?? ?????????? ???? ???????? ? ???????? ??? ??? ??????????, ?? ????????? ??? ??? ??? ???? ?? ?????????, ?? ??????? ?? ?????? ??? ?? ???