About: http://webisa.webdatacommons.org/30609622

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	To facilitate delivery through the curved portions of the guide channel, the needles used in the guide channels are typically made of materials such as a shape-memory alloy or a superelastic material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com