About: http://webisa.webdatacommons.org/437860021

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	Other foaming agents such as gases including carbon dioxide, nitrogen, air or the like as well as low boiling liquids, (commonly low-boiling fluorocarbons and the like) can also be added.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr