About: http://webisa.webdatacommons.org/155727143

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	This is preferably chosen at a thickness that produced a desirable color and reflectivity when combined with silver, silver alloy or other metals and their alloys.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es