About: http://webisa.webdatacommons.org/31619942

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	Preferably, the reflection film may be made of at least one of silver (Ag), aluminum (Al), silver alloy, aluminum alloy, and an alloy mainly comprising silver and aluminum.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk