PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In order to ensure that the cores and the cladding of the fibers are accurately aligned during the application of adhesive, each pair of fibers may be held in a tube or ???ferrule??? of Teflon or other rigid material, which then remains permanently in position in order to guarantee a mechanically robust optical connection.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com