About: http://webisa.webdatacommons.org/373760847

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	Due to mechanical constraints, the output of each of the light pipes 110 (a,b) may be reflected by 90 degrees, or other appropriate angles, by a reflector means such as a prism 114 (a,b), and coupled into the output light pipe 112.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com