About: http://webisa.webdatacommons.org/374266447

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	Older fire extinguishers may have been charged with chemicals such as carbon tetrachloride or halon.
http://www.w3.org/ns/prov#wasQuotedFrom	americanboating.org