??????????????????? ??????????: ????????????????????? ??????????????????The severity from the problems is dependent upon exactly where the drinking water winds up. All drainage systems ought to have backups to prevent overflow in the case of severe rain or in the case of the clog in the main drainage method.??????????????????????? ?????????????????

?????????????????????????????????????????????????????????????????????? ????????????????????????????????????? ?????????????? ?????????????????????????????? ???????????????????????????????????????????????????????????????????????????????????????????????????????????? _??????? ???????????????? ??????????????The severity in the destruction is dependent u