About: http://webisa.webdatacommons.org/335453492

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	A small gas cartridge containing an inert gas such as nitrogen or carbon dioxide is then attached to the top of the stopper.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com