About: http://webisa.webdatacommons.org/456620703

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	Another light source such as a light emitting diode can be used instead of the laser beam emitting device 134.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com