About: http://webisa.webdatacommons.org/395473003

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	The lens 210 is preferably made from a transparent material, such as plastic or glass, whereby light from status lights 230 or back lights 232 (FIG. 12) may illuminate the viewing surface 240.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com