PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Guides flow of bulk materials to and from process equipment including hoppers, feeders, bins, silos, conveyors and elevators
http://www.w3.org/ns/prov#wasQuotedFrom
  • globalspec.com