About: http://webisa.webdatacommons.org/449656177

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	Originating in the UK and other parts of Europe, low voltage testing was introduced to the United States around 2000 and is used as a way to identify potential and active leaks in a roof.
http://www.w3.org/ns/prov#wasQuotedFrom	facilityexecutive.com