About: http://webisa.webdatacommons.org/248405219

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	It is usually done either by mechanical vacuum-packing or by flashing inert gases such as nitrogen and carbon dioxide.
http://www.w3.org/ns/prov#wasQuotedFrom	hefestus-slb.com