About: http://webisa.webdatacommons.org/12334539

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	Internal cover 620 and external cover 610 may be made from a number of materials, including a shape-memory alloy such as nitinol.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk