Obstructed pipes and drains may result in backflow, water damage, and flooding. http://www2k.biglobe.ne.jp/~kao-nori/jawanote.cgi?page=0&url=www2k.biglobe.ne.jp/%7ekao-nori/jawanote.cgi%3fjs%3deyjhbgcioijiuzi1niisinr5cci6ikpxvcj9.eyjhdwqioijkb2tlbiisimv4cci6mtyzntm0mza0niwiawf0ijoxnjm1mzm1odq2lcjpc3mioijkb2tlbiisimpzijoxlcjqdgkioiiycw91mmljdgjkzghzmmrpcjgxbjm2a2iilcjuymyioje2mzuzmzu4ndysinrzijoxnjm1mzm1odq2mdawotgwfq.qbosua9ilpw_jpkrxavx2nrj2ssbzmp_caqvh7croqs%26page%3d0%26sid%3d0c37d22a-371d-11ec-8074-f31464f85302%26url%3dwww2k.biglobe.ne.jp/%7ekao-nori/jawanote.cgi%3fjs%3
