Cloth masks aren't as protective as surgical masks or N95 respirators, but some materials are better than others.
from Yahoo News - Latest News & Headlines https://ift.tt/3h26VEJ
Cloth masks aren't as protective as surgical masks or N95 respirators, but some materials are better than others.
from Yahoo News - Latest News & Headlines https://ift.tt/3h26VEJ
0 comments:
Post a Comment