About: http://webisa.webdatacommons.org/389867616

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	Various agents may be added to modify the setting up properties, change the thermal characteristics, or produce investments which have protective chemical agents to modify oxidation, decarburization, or other reactions.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com