As a necessity in life, masks play an important role in many occasions. So, do you know how to tell the truth of a mask? Today, Chuan Chang’s daily use at home will share with you some ways to identify
Hello everyone! Recently, the Covid-2019 virus has struck, and experts recommend wearing a mask when going out. Masks are divided into several categories, so what is the difference between the most common KN95 and N95 masks? Please see below for
In addition to self-made masks and temporary masks, their types are mainly divided into surgical masks (medical masks) and dust masks (industrial masks). There are many kinds of materials. The National Institute of Occupational Safety and Health (NIOSH) divides the
Common masks are common masks (such as paper masks, activated carbon masks, cotton masks, sponge masks, gauze masks, etc.), medical masks, medical surgical masks, medical protective masks (such as N95 masks, KN95 masks, etc.). Ordinary masks can be washed repeatedly.