About: http://webisa.webdatacommons.org/447491201

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	Current expansion methods and expandable devices are capable only of deforming material according to one vector and assume device-freedom, or no obstructions or additional work requirements such as pressure against well bore rock.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com