PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Spacers positioned between at least a portion of the liner material and the host conduit may be used to (i) calibrate the thickness of the liner material and curable material that is cured to form the new liner, and (ii) form communication channels adapted to house devices such as wire, cable, fiber optic cable, telephone lines, power lines, etc.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com