About: http://webisa.webdatacommons.org/282523477

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	As shown in operation 840, fluids (e.g., water, air, and fuel such as natural gas) may be supplied separately into an associated conduit 115, 615, and 715.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk