About: http://webisa.webdatacommons.org/52401816

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	They had a small probe that went into the line of the exhaust (not shown in the picture, on the other side) and there was a device with a digital readout.
http://www.w3.org/ns/prov#wasQuotedFrom	heatinghelp.com