About: http://webisa.webdatacommons.org/444050774

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	This grit can be made from any suitable material such as alumina, silicon dioxide, diamond, silicon carbide, and other materials.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com