About: http://webisa.webdatacommons.org/23269957

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	They can also be made from metals such as 55, NiTi or Ti or polymers reinforced with metals or other materials well known in the art (e.g. glass or aramid fibers.
http://www.w3.org/ns/prov#wasQuotedFrom	google.de