About: http://webisa.webdatacommons.org/162943613

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	After the initial vacuum step, and before and/or during sealing, the package can optionally be gas flushed with an inert gas or gas mixture, such as nitrogen, carbon dioxide, or a nitrogen/carbon dioxide mixture, and then revacuumized.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es