How does my face mask work? And does it?
An introductory overview of how anti-viral face masks work, with some tips on what to look for when buying a mask. How to choose which mask to wear to protect yourself in various types of situations.
An introductory overview of how anti-viral face masks work, with some tips on what to look for when buying a mask. How to choose which mask to wear to protect yourself in various types of situations.