About: http://webisa.webdatacommons.org/174045688

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	Thus, the separation of material having particles of differing color or shade, such as copper and aluminum particles, can be controlled using signals from light sensors.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com