PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The Shell and Tube, the Air Cooled and the Plate-type Exchanger are the three most commonly used types of exchangers in the chemical and process industries.
http://www.w3.org/ns/prov#wasQuotedFrom
  • thermopedia.com