Wearing a mask can prevent harmful gases, odors, droplets from entering and exiting, and the wearer'...
Before wearing a mask, wash your hands. Because there are more bacteria on your hands, you must firs...
Surgical mask: It can block more than 90% of 5 micron particles and should be replaced every day, bu...
As smog strikes, wearing anti-haze masks has become the most economical and effective method of self...
The electrostatic effect of the mask adsorbs the virus on the outer layer of the mask, such as the s...