About: http://webisa.webdatacommons.org/313146109

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 abrasive material may be carried upon a substrate, such as paper, cloth, or a rigid fixture.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com