About: http://webisa.webdatacommons.org/36064069

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 the illustrated embodiment, the retention structure 310 is a coil, loop, or bend (arc) of resilient material, such as a memory metal, spring metal, and the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com