8 ms·
Aren't masks mostly/also about decreasing the area of the air that you pull in (closer to you, or in other words the distance from which you pull is smaller)?
by tester756 5y ago
Aren't masks mostly/also about decreasing the area of the air that you pull in (closer to you, or in other words the distance from which you pull is smaller)?
like take a piece of paper in front of your face and breath with mask and without
- AlexCoventry 5y agoNo. https://www.youtube.com/watch?v=0Tp0zB904Mc https://www.youtube.com/watch?v=0Tp0zB904Mc
- cr1895 5y agoMasks work by trapping particles exhaled or inhaled.