???? ????? ?? ????????????? ??? ????? ???? ???????????? ????????? ???? ????????? ????????????? ? ????????? ?????????;Make specific traps are filled with h2o, Considering that the water in flooring drains pipes in addition to other drainpipe traps has a tendency to vaporize??????????? ??? ??? ?????????????? ??? ??????????? ????? ??? ?????????? ??? ?