About: http://webisa.webdatacommons.org/243352349

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	In general, all parts except for the conductive circuitry and glass lens may be constructed of plastic, including the hollow tube.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com