The efforts will increase critical equipment as hospitals combat the coronavirus The U.S. military is 3D-printing face shields, designing reusable plastic N95 masks and sewing surgical masks to ...
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Air Pollution Safety: How to Clean and Store Your Mask Properly
With rising city pollution, protecting your lungs from PM2.5 and PM10 is vital. Experts advise using N95 or KN95 masks for ...
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