About: http://webisa.webdatacommons.org/137953900

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 first region 175 containing aluminum oxide can also contain impurities such as carbon, gallium, and arsenic, which could contaminate the first region 175 during a production process.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr