Anatoly

Well, a knitted one is really just for a laugh... A mask needs to be dense while still being lightweight and breathable. That also reminds me of a simple option from school days — the cotton-gauze bandage. It doesn't ...

I'm curious - if you pre-soak a mask or filter insert with an alcohol or other disinfectant solution, can you increase the duration of wearing it? Alcohol and alcohol-based disinfectants destroy viruses at the specifi...