About: http://webisa.webdatacommons.org/293330305

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 a preferred embodiment, the each intermediate solid casing 150 includes one more valve members 170 for controlling the flow of fluids and other materials within the interior region of the intermediate casing 150.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com