About: http://webisa.webdatacommons.org/385362223

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 material of the main body and the beams may be of semiconducting material such as silicon and germanium, or of materials classified as quartz, glass, or ceramics.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com