About: http://webisa.webdatacommons.org/51458898

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	This light is typically that produced by a laser, the writing equipment being similar to that used to etch CD-ROMs or other optical memory media.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com