About: http://webisa.webdatacommons.org/181003821

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 display device 68 is adjusted in such a manner as to provide a zero reading when the legs 54 of the adapter pad 50 and the probe 62 engage the flat reference surface 78.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com