Sagging Sewage Procedure Strains-- Dust improvements can make your drain line to sag. When this happens, the part which includes sunk accumulates paper along with squander leading to a blockage.????????????? ???? ??? ???????? ??? ?????????? ???????????? ??? ???????? ??? ?? ????? ????? ??? ??? ??? ?????????? ????., ??? ??????? ?????? ?? ???????????