About: http://webisa.webdatacommons.org/49861981

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	According to this principle, a measuring ray of light, especially a laser beam is directed at the cantilever, with focusing being provided, if desired.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com