About: http://webisa.webdatacommons.org/209211689

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	While the use of such a silver-gold alloy contributes substantially to enhancing the long-term durability of an energy control film, gold is an exceedingly expensive material to use.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es