About: http://webisa.webdatacommons.org/147793072

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 various metals may be used for the coatings, certain ones such as gold or silver have been found most satisfactory.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es