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General Filtering Facepiece Respirators(FFR:N-95 etc)
2020.08.10 14:29
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| » | Filtering Facepiece Respirators(FFR:N-95 etc) [1] | 2020.08.10 | 이한중*65 | 2020.08.11 | 1742 |
| 1702 | Sex is dangerous [1] | 2020.08.10 | 온기철*71 | 2020.08.11 | 106 |
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| 1700 | 미, 나가라, 중, 오지마라, 한, 괜찮다 [2] | 2020.08.11 | 온기철*71 | 2020.08.12 | 73 |
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| 1697 | [EPL] 손흥민 79m 원더골, BBC 선정 '올 시즌 최고 골' [3] | 2020.07.27 | 황규정*65 | 2020.08.14 | 766 |
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| 1695 | 백범 김구 [9] | 2020.08.17 | 온기철*71 | 2020.08.21 | 92 |
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| 1693 | Tokyo Black Hole [1] | 2020.08.23 | 온기철*71 | 2020.08.23 | 66 |
| 1692 | Steve Bannon charged with fraud [6] | 2020.08.20 | 온기철*71 | 2020.08.23 | 103 |
| 1691 | Coronavirus Reinfection [3] | 2020.08.24 | 이병붕*63 | 2020.08.25 | 102 |
| 1690 | How does Trump’s sister regard Trump? [4] | 2020.08.23 | 온기철*71 | 2020.08.25 | 226 |
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Researchers Tested 14 Types of Face Masks: Which One Came on Top?
https://fit.thequint.com/coronavirus/coronavirus-researchers-test-efficacy-of-14-types-of-face-masks