https://blog.gongquiz.com/2023/05/25/%ec%9c%a0%ec%a7%80%ec%9d%98-%ec%a0%95%ec%a0%9c-%ea%b3%b5%ec%a0%95-%ec%a4%91-%ec%9c%88%ed%84%b0%eb%a6%ac%ec%a0%9c%ec%9d%b4%ec%85%98winterization%ec%9d%98-%ec%84%a4%eb%aa%85%ec%9c%bc%eb%a1%9c/