About: http://webisa.webdatacommons.org/146172474

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	If they can find something leaking through a respirator seal that a human can not see or smell (loose contamination or airborne contamination) then filtering out dirt and fumes is a given.
http://www.w3.org/ns/prov#wasQuotedFrom	hotrodders.com