About: http://webisa.webdatacommons.org/217286732

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	However, in alternative embodiments, some or all of these parts may be formed from metals, ceramics or other suitable materials.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au