About: http://webisa.webdatacommons.org/142176925

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	Surface coatings including halide salts, metal oxides and silica were applied to the abrasive particles to increase adhesion.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com