About: http://webisa.webdatacommons.org/111908932

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	A preferred apparatus utilizes a chamber, a switching mechanism under a vacuum or partial vacuum, a light source such as a laser or a plurality of lasers, and a lens or a plurality of lenses may be used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com