Replying to @Stephanie a test tells you if something is working, and without a test, it may still work great, you just don’t know for sure. So certain jobs require fit tests becuase they have to know for sure.
#FitTest #N95 #Respirator #MaskUpMore VD: Jaydo sits on couch responding to a comment that asks “if we need the N95, wouldn’t we also need the fit testing for it to?” And he puts on a mask and then also shows a photo of a quantitative fit test machine with tubes going into a repsirator worn by a health care professional.