About: http://webisa.webdatacommons.org/177434934

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	Silica and other minerals can be used to create items through additive manufacturing techniques that include granular binding, sintering, and melting of the individual granules into an aggregate natural form of glass.
http://www.w3.org/ns/prov#wasQuotedFrom	dummies.com