PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Known methods of manufacturing heat exchangers and compact heat exchangers involve complex assembly and difficult attachment, brazing, soldering, or welding operations of the various parts of the heat exchangers, including but not limited to, the core, the exterior, interfacing flanges, fins, and manifolds.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com