About: http://webisa.webdatacommons.org/374747632

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	A metal plate such as aluminum or stainless steel is subjected to grinding by the sample discs.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com