PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The valve is suitable for chemical, oil, natural gas, power plants, coal, construction, steel, light industry and sewage treatment and other industries.
http://www.w3.org/ns/prov#wasQuotedFrom
  • asianproducts.com