About: http://webisa.webdatacommons.org/96472289

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	Impurities such as carbides stuck to copper can be exposed to cleaning, vibration, mingling rotation together with fine sand particles as demands arise.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com