N95 Masks To Prevent Swine Flu - Discussions
CEans,
I've been hearing a lot about N95 masks and their effectiveness in preventing the infection.
Anyone's got knowledge of what N95 does? How does it work? What material does it use?
I've been hearing a lot about N95 masks and their effectiveness in preventing the infection.
Anyone's got knowledge of what N95 does? How does it work? What material does it use?
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