interesting suggestions on mask quality:
QT:{{”
For a surgical mask to work, the outer-most layer should be
water-resistant, and the middle layer, which is used to trap bacteria, should not be too porous.
The innermost layer has to be able to absorb moisture such as saliva, mucus and sneeze droplets.
…
An absorbency test found that five of the six masks could not absorb any moisture. That means if the user sneezes, the mask will not be able to contain the droplets, which will remain smeared on the wearer’s face. Absorbency is also an important factor for comfort, allowing the user to wear it for longer hours.
“}}
also, I’ve heard these suggestions:{{
the white internal layer should not burn
+
the internal layer should be leakproof
}}
https://www.straitstimes.com/singapore/five-of-six-face-masks-fail-absorbency-test