Take a metallic coat hanger and also poke the top from the hanger up in the ports to remove them. Similarly Test the main port at the end of the lavatory feces.?? ???? ?? ?????? ???? ????? ?? ??? ???????????? ??? ?? ????????????? ??? ???????: ?? ????? ????? ????? ?? ?????????? ?? ????????????? ??? ?????????? ??????? ??????? ?????? ?? ????????. ???