Tag: Quality Test For DIY Face Mask

  • Everything About Mask Testing

    Everything About Mask Testing

    https://youtu.be/8mCPB8n065Y When you test filter materials at home, you may have different particles available to you to use or different equipment to detect the particles. Therefore one method may not suit all your needs. In this video I am going to show you 3 levels of particle filtering tests I have invented for your face […]