About: http://webisa.webdatacommons.org/437354644

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	It may also be blended with minerals or materials which are not noted as abrasives such as calcium carbonate, glass, and the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr