About: http://webisa.webdatacommons.org/192309458

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	To increase masking or opacity, additives such as pigments, fillers and other materials, collectively referred to as opacifying agents, may be added to the film.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com