https://blog.gongquiz.com/2022/08/01/%ec%9d%bc%ed%9a%8c%ec%9a%a9-%ea%b8%88%ec%86%8d%ed%8c%90-%ec%a0%84%ea%b7%b9disposable-electrode%ec%9d%98-%ec%82%ac%ec%9a%a9-%eb%b0%a9%eb%b2%95-%ec%a4%91-%ed%8b%80%eb%a6%b0-%ea%b2%83%ec%9d%80/