About: http://webisa.webdatacommons.org/366103308

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	As far as photographers, and other kinds of hobbies, those differ in that the people who manufacture the chemicals expect them to be used by hobbyists and so they include warnings and information about proper disposal.
http://www.w3.org/ns/prov#wasQuotedFrom	scienceblogs.com