About: http://webisa.webdatacommons.org/394824629

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	Keep in mind that different types of film contain different amounts of silver.
http://www.w3.org/ns/prov#wasQuotedFrom	precious-metal-refining.info