About: http://webisa.webdatacommons.org/404921169

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	E is a silica-based material available in large quantities as a waste byproduct of the glass tempering process used in earlier times by the glassmaking industry.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au