About: http://webisa.webdatacommons.org/137328973

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In this way various fittings, for example bends and elbows, are simply equated to equivalent lengths of pipe and the total friction losses computed from the total pipe length, actual plus fictitious.
http://www.w3.org/ns/prov#wasQuotedFrom	nzifst.org.nz