What is Gas mask?
{{Infobox regulated PPE|image=Bundswehrsoldat_mit_abc_maske-da65.jpg|caption=A soldier wearing a gas mask}} A '''gas mask''' is a [[kind]] of [[mask]] that fits over the [[face]] area and [[nose]]. It [[protect]]s from [[poison gas]]es and many other [[hazard]]s in the [[air]]. They are often used in [[war]].<ref>{{cite web|url=https://www.kumc.edu/school-of-medicine/academics/departments/history-and-philosophy-of-medicine/archives/wwi/essays/medicine/gas-in-the-great-war.html|title=Gas in The Great War |first=James|last=Patton|publisher=University of Arkansas School of Medicine}}</ref> [[File:Gas mask label 42 CFR.jpg|upright=0.8|thumb|The label NIOSH uses for gas masks, that show NIOSH has checked the gas mask.]] Gas masks in the [[United States]] are checked by [[NIOSH]].<ref name=primarylabel>{{cite web|url=http://www.cdc.gov/niosh/pdfs/sap_0101.pdf|archive-url=https://web.archive.org/web/20030319064642/http://www.cdc.gov/niosh/pdfs/sap_0101.pdf|date=January 2001|archive-date=2003-03-19|title=STANDARD APPLICATION PROCEDURES FOR THE CERTIFICATION OF RESPIRATORS|publisher=NIOSH}}</ref> == Related pages == * [[NIOSH ratings]] == References == {{Reflist}} {{stub}} {{Respirator Topics}} [[Category:Protective clothing]] [[Category:Headgear]] [[pt:Máscara contra gases]]