PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The seals, which can be made from a material such as silicone, provide a seal to the area around the stuffing box and are designed to prevent outside air from entering the area contained within the stuffing box enclosure and possibly causing the indicating material or detector and signaler to produce a false reading.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com