About: http://webisa.webdatacommons.org/301446452

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	Advancement and retraction member 18 is made of a variety of different materials including but not limited to a shaped memory metal, stainless steel and the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es