About: http://webisa.webdatacommons.org/288179204

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 shells may be formed from metals such as gold, nickel, copper, titanium and alloys and combinations thereof, and may include shape memory alloys, commonly referred to as superplastic materials.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca