[掲示板に戻る]
| 169 | Re: 久し振りの、マスク騒動か? |
| ゲスト |
名無しさん 2020/12/29 0:17
[返信] [編集] 布マスクの方へ。ガーゼ10枚分以上のマスクが、感染対策対応出来ます。 サージカルマスクに対して8割の効果があります。平均的な紙マスクと比べ、9割効果があります。布マスクのデザインよりも、今一度、布マスクを点検して、ガーゼ10枚分以上あるか見てください。鼻まですっぽり隠れるように作ってください。 |
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