About: http://webisa.webdatacommons.org/287020917

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	It may be obtained electrolytically or by hydrogen reduction to yield iron powder substantially free of carbon and other impurities which would produce toxic compounds upon operation of the candle.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com