About: http://webisa.webdatacommons.org/235505655

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 such situations, the control line is generally designed to withstand a pressure in excess of the greatest pressure predicted in the tubing string, plus a pressure needed to compress a biasing device, such as a spring.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com