About: http://webisa.webdatacommons.org/360020811

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	Resonant frequency modulation detector ???Resonant frequency modulation detector ??? a change in the circuit resonant frequency and a ??? metals such as gold.
http://www.w3.org/ns/prov#wasQuotedFrom	beneficiationplantfor.com