they may want to consider prioritizing use of surgical N95 respirators for those healthcare workers requiring respiratory protection while performing surgery or other tasks that may expose them to high pressure streams of bodily fluid or conducting work in a sterile field.
8210 阻隔唔到high pressure streams of bodily fluid ,環境太濕就GG
Biological Particles
This respirator can help reduce inhalation exposures to certain airborne biological particles (e.g. viruses, mold, Bacillus anthracis, Mycobacterium tuberculosis, etc.) but cannot eliminate the risk of contracting infection, illness or disease. OSHA and other government agencies have not established safe exposure limits for these contaminants.