About: http://webisa.webdatacommons.org/92683047

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, including various plastics and metals, whether transparent or opaque, may also be used consistent with the invention.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca