About: http://webisa.webdatacommons.org/373076849

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	Being approximately orthogonal, as described herein, may have a certain range from 90 degrees which will result in almost no problems such as coloration due to diffraction.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au