? ????? ?????????? ????? ??? ????????? ???? ??? ?????? ?? ?????? ?????????? ?? ?????????? ????????????. ???????, ? ????????? ??? ??????????? ????????? ?? ?????? ????? ??? ??? ?????? ?????????? ???? ? ???????? ??????? ??? ?? ???????? ???????? ???? ? ??????????? ??? ? ???????.Every time a drain line breaks, the price of maintenance work can escalate