About: http://webisa.webdatacommons.org/117617823

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	The material can be treated, for example, by radiation, chemistry, or other technology to alter its wear properties and/or strength or hardness.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com