About: http://webisa.webdatacommons.org/200713462

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	The individual abrasive grains can include aluminum oxide, carbides such as silicon carbide, nitrides such as CBN, diamond, and flint.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com