?? ????????? ??? ????? ??? ???? ????????? ???? ????? ??? ????? ??????????? ?????. ????? ??? ??? ??????? ??? ????????????? ???? ?????? ???? ??? ??????? ??:????? ?? ????? ?????????? ???? ????? ??? ??????? ????????? ???????? ??????????????? ??? ???????????.Plant roots are A further consistent cause of sewer again-ups and overflows. The roots of bushes