i saw a cool gif of masks, the good homemade cotton ones work the best.
https://aip.scitation.org/doi/10.1063/5.0016018
double layered stitched cotton mask descreased flow rate and distance pretty well.
much better than like the 15 foot spew a normal talker does
u really should be executed for not brushing ur teeth in the USA
https://www.fau.edu/newsdesk/article...ield-study.php
the science is pretty solid
---- not tryin to troll, just doin the facts
also wash ur hands plz