About: http://webisa.webdatacommons.org/418405486

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	A predetermined amount of an external additive such as silica or titanium oxide is added to the pulverized or classified toner particles.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com