Observerare

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  Cyril Southard

  https://ukecoelectrostatic.com/2025/03/28/%ec%97%ad%eb%8c%80%eb%a1%9c%eb%98%90%eb%b2%88%ed%98%b8%ec%9d%98-%ec%8b%a0%eb%b9%84%eb%a1%9c%ec%9a%b4-%ec%84%b8%ea%b3%84/