The use of masks against COVID-19 is first line of defense and is recommended by the various health related professionals.  The use of the N 95 mask has become very popular to use against the corona as it could block about 95% of airborne particles. It has been in use for a long time to protect the person wearing this mask from inhaling into the lungs airborne pathogen, dust and other particles mostly in workplaces. Controlling Environmentally Hazardous Substances in Electrical & Electronic Products [bs-quote quote=”N-95 is used to protect the person wearing this mask from inhaling into the lungs … Continue reading N 95 Mask as protection against the Corona Virus