About: http://webisa.webdatacommons.org/60769483

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	Optionally, to spread the illumination beam 270 more evenly, the first lens 2311 and second lens 2312 may be textured, for example by stippling or otherwise hazing their surfaces.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com