About: http://webisa.webdatacommons.org/305947272

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	The core may be made of a strong, yet flexible material, such as a metal, like stainless steel or nitinol, or other materials, or combinations thereof.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr