PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Gate valves are commonly used in industrial applications (e.g., mining, wood pulp processing, paper manufacturing) in which the fluids or slurries carried by the valve can be particularly abrasive or chemically harsh due to temperature, pressure, or acidity.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com