About: http://webisa.webdatacommons.org/34249885

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	There are three basic classes of fire extinguishers (A, B and C) that are effective at protecting against different types of fires, as well as multi-purpose extinguishers to protect against all three.
http://www.w3.org/ns/prov#wasQuotedFrom	nrha.org