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Continue to Chat紙おむつ、下水道に流すには? 国交省が出した3つの案:朝日新聞デジタル https://blog.40ch.net/2019/01/08/how-to-sink-into-a-disposable-diaper-or-disposable-diaper-three-proposals-issued-by-the-ministry-of-land-infrastructure-and-transport/