1예 04 서동석 |
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작성자 | 서동석 | 등록일 | 20.07.31 | 조회수 | 13 |
I totally agree with your argument which is similar to my opinion. Especially your view that the detergent used to clean tumblers causes environmental pollution was really impressive. Because I have only insisted on the constant use of one tumbler, and I have never thought about the detergent used in the process. |
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