About: http://webisa.webdatacommons.org/339170454

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	Different spacing between the primary discs 172 and secondary discs 176, as well as the size and shapes of the primary and secondary discs, can be varied according to the types of materials being separated.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com