About: http://webisa.webdatacommons.org/337189047

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	Transmitting optical elements, including lenses and windows, must be made of suitable materials, which may or may not be transparent in the visible spectrum, as shown in Table 1.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es