This is much better. You are now providing information which has not been addressed in this topic, at least not to this level of detail. Though it has already been established what an N95 and an N100 mask can and cannot accomplish, assessing the threat really hasn't been covered yet. Assessing a threat is something I need to learn.

Jeanette Isabelle
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I'm not sure whose twisted idea it was to put hundreds of adolescents in underfunded schools run by people whose dreams were crushed years ago, but I admire the sadism. -- Wednesday Adams, Wednesday