Re:Japan's PM to ask all schools to temporarily close
by suzakus on Thursday February 27, 2020 @08:01PM
(#22439649)
Typically it's about putting the straps on correctly and properly adjusting the nose bridge. When you don't put it on properly (i.e. straps above and below the ear, nose bridge properly adjusted) it'll be much less effective.
See https://www.bu.edu/ehs/files/2014/08/N95-Respirators-Trainin...
I keep hearing this but don't understand. What exactly needs training?