About: http://webisa.webdatacommons.org/113029769

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 head space may include air or the head space may be filled with a gas such as nitrogen, carbon dioxide, or both.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com