About: http://webisa.webdatacommons.org/435721478

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	The triggering mechanism 512 includes a light source, such as a laser or a white-light LED, to generate a light beam that is directed at the airflow.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com