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That design has no water-repellent part. Better design for an effectual makeshift mask made with household items, in English, with video illustration: https://
by bmn__ 7y ago
That design has no water-repellent part.
Better design for an effectual makeshift mask made with household items, in English, with video illustration: https://www.consumer.org.hk/ws_en/news/specials/2020/mask-diy-tips.html https://www.consumer.org.hk/ws_en/news/specials/2020/mask-di...