Anonymous ID: f9f169 April 12, 2020, 3:15 p.m. No.8772031   🗄️.is 🔗kun

Proper Way to Breathe Using a Face Mask

>You MUST breathe in through your nose and out through your mouth.

https://cleanroomworld.com/blog/proper-way-to-breathe-using-a-face-mask/