Tag: Kn95 mask
What Mask Types You Can Choose During COVID-19?
1 Introduction
During COVID-19, the masks we can generally be divided into medical protective masks, medical surgical masks, ordinary medical masks, and ordinary non-fat gauze...
Report Finds KN95 Masks Not as Effective as N95 Masks
At the Initiation of this pandemic, we are not sure about the worse condition which is going to come. Social distancing and living in...
