https://blog.gongquiz.com/2021/10/01/%eb%8b%a8%ec%b8%b5%ec%84%a0%ec%95%a0fault-line-scraps%ec%9d%98-%ec%84%a4%eb%aa%85%ec%9c%bc%eb%a1%9c-%eb%a7%9e%eb%8a%94-%ea%b2%83%ec%9d%80-%ec%9d%91%ec%9a%a9%ec%a7%80%ec%a7%88%ea%b8%b0%ec%82%ac-2/