PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The contacts provide the reference point for orientation.Since maximum precision is necessary in order to ensure that the controller housing will be fully sealed, the housings are aligned a second time on a turning station with a mandrel, centering them and checking the angle where the two housing types differ at the flanges.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ptonline.com