About: http://webisa.webdatacommons.org/77846588

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	However, if the above wavelength range is extended into the infrared, other metals, such as aluminum, copper and tantalum, may also be employed.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr