About: http://webisa.webdatacommons.org/56766566

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	Preferably, the sections 12 and 14 forming the outer shell are formed from a cast metal such as a titanium alloy or other material that exhibits a relatively high resistance to crushing and penetration.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com