About: http://webisa.webdatacommons.org/316546489

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	Other materials are also contemplated, including, for example, plastics and metals and metal alloys, such as spring steel, shape memory metals and alloys, and aluminum.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com