RT @RileyGryc: New study from Duke University on the most effective masks.

Top 3: N95, three-layer surgical masks, &amp; cotton masks. 

Botto…
RT @RileyGryc: New study from Duke University on the most effective masks.

Top 3: N95, three-layer surgical masks, & amp; cotton masks.

Botto ...
Game Designer | Cosplayer | 日本語OK!
Game Designer | cosplayer |日本語 OK!