About: http://webisa.webdatacommons.org/280742201

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 technology is based on the principle that, if a breach exists in a part, the test gas of choice, for example helium, nitrogen or oxygen, will pass through the breach and will be detected by an appropriate sensor.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com