PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The steam surface condenser is the largest heat exchanger in a power plant, and the quality of the tubing within the condenser is critical for reliable plant operations.
http://www.w3.org/ns/prov#wasQuotedFrom
  • powermag.com