About: http://webisa.webdatacommons.org/451183015

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 an embodiment, different types of proximity sensors are used to detect different types of metal pieces.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com