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  1. ... game, get a KN95 mask ( FDA Approved , well fitting).  It ...95% of small particles or wear 2 masks or a mask and a face shield. Although, their...

    3 Answers · Health · 07/11/2020

  2. ...you wear a KN95 mask ( FDA approved ), you keep out 95% of small virus... a single layer cotton mask , it's virtually worthless for...two masks or a mask and face shield will be better...

    5 Answers · Health · 14/11/2020

  3. ...wear well fitting KN95 mask ( FDA approved manufacturer only).  NO TEACHER...protection, they need to wear an KN95 mask with a regular mask or face shield over it.  - Hospitals ...

    4 Answers · Business & Finance · 30/11/2020

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