ドアのヒンジに潤滑油 https://bure55.kms-55.com/2008/08/17/%e3%83%89%e3%82%a2%e3%81%ae%e3%83%92%e3%83%b3%e3%82%b8%e3%81%ab%e6%bd%a4%e6%bb%91%e6%b2%b9/