Sagging Sewage Program Strains-- Grime alterations can make your drain line to sag. When this occurs, the segment which includes sunk accumulates paper as well as squander bringing about a blockage.???? ????????? ??? ????????, ???? ??? ?????????, ???? ??? ???????????????? ???????? ??????????, ???????? ???? ??? ??? ?? ?????? ????? ???? ???? ????? ?