About: http://webisa.webdatacommons.org/394310348

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	In such a case, the engineer must control instrumentation such as an oscilloscope or a waveform analyzer in order to test the VCR circuitry.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com