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 airborne pathogen, dust and other particles mostly in workplaces.” style=”style-17″ align=”center” color=”#dd0000″ author_name=”Abdul Hafiz Khalid” author_job=”PhD. CHMM, RPIH is a Chemical Engineer/Industrial Hygienist.”][/bs-quote] Plastics & Substances of Very High Concerns (SVHCs) It is currently the first line of defense against corona virus (COVID-19) as a last resort while we find a vaccine or use some engineering or administrative controls are implemented. An Update: The Globally Harmonized System (GHS) Revision 8 Most people should use the N 95 mask when coming to the general public to protect against this virus. The main problem with the use of masks is due to improper fitting … Continue reading N 95 Mask as protection against the Corona Virus