About: http://webisa.webdatacommons.org/40930948

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 those embodiments, the control channel is filled with a control fluid, such as gas or mineral oil.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk