About: http://webisa.webdatacommons.org/132119709

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	The first oxygen barrier layer may comprise a material such as silica, which may be in the form of pure silicate glass, or crystalline silica.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au