Why do doctors recommend wearing N95 face masks?
Throughout the Covid-19 pandemic, physicians and other health professionals have continued to stress the everyday necessity and importance of wear..
Suitable mask for all types of pollution
The death rate due to air pollution is the fourth highest in the world. Therefore, it is very important to know and choose the right mask to deal with this pro..
What mask should we use to deal with Omicron strain?
Corona virus enters body cells with the help of a protein called spike and causes covid-19 disease. About 30 or more changes in the spike prote..