PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Remember, fittings such as wyes and elbows must be converted to an equivalent length of straight pipe to calculate losses.
http://www.w3.org/ns/prov#wasQuotedFrom
  • woodweb.com