Before you getting a face mask to protect yourself from COVID-19, you have to know how to select the correct face mask. Here is some useful video we would like to share with you. https://www.youtube.com/watch?v=Ihd9PS7bZV4 Face Mask testing standard After you have initial idea how to pick the right face mask for yourself or your..
How to DIY face mask? There are lot of methods to make mask, the below video is one of the easy and protective method: https://youtu.be/JY-29VBkGmw Why need wear mask? The COVID-19 has been rampant for a long time, and the World Health Organization (WHO), which leads the coordination of anti-epidemic work, has been repeatedly questioned..