About: http://webisa.webdatacommons.org/322990841

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	The use of respirators and dust masks might have reduced the incidence of respiratory ailments, but the most effective ones issued to firefighters are meant to last only 20 minutes.
http://www.w3.org/ns/prov#wasQuotedFrom	prisonplanet.com