About: http://webisa.webdatacommons.org/436039258

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 needle shaft will typically be a metal, such as stainless steel or nitinol, but could also be composed of a polymer having sufficient strength such as a polycarbonate, a polyethylene, PEEK, a nylon, a polypropylene, or the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es