About: http://webisa.webdatacommons.org/391178572

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	Dry Chemical ??? There are two types of fire extinguishers that use a dry chemical.
http://www.w3.org/ns/prov#wasQuotedFrom	nachi.org