About: http://webisa.webdatacommons.org/434532732

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	Voidy parts are much harder to catch.Such 'mandraulic' methods are being overtaken by things such as thermography, as blakmax suggests.
http://www.w3.org/ns/prov#wasQuotedFrom	eng-tips.com