PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Other flat-fix product makers previously used propellants such as propane and butane, which are similarly flammable.
http://www.w3.org/ns/prov#wasQuotedFrom
  • acs.org