About: http://webisa.webdatacommons.org/211063007

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	For example, if protective layer 31 were a material such as silicon dioxide or alumina, this layer could be built up to a thickness in the order of about 5 or 6 mils and, thus, serve the function of layers 31 and 30.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com