About: http://webisa.webdatacommons.org/171059859

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	This is done by applying heat treatment such as quenching and tempering.
http://www.w3.org/ns/prov#wasQuotedFrom	sugimoto-hamono.com