PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A gas with high thermal conductivity, such as helium or hydrogen, is passed over the wafer to cool its surface to a desired temperature for the process to be performed.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com