About: http://webisa.webdatacommons.org/215575046

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	During the heating of the glass to this elevated temperature, and while at the elevated temperature, the glass is maintained in an oxygen ambient such as air.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com