About: http://webisa.webdatacommons.org/224714872

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 system is first pressurized by opening valve 33 until the vessel 32 is completely filled with a gas, such as carbon dioxide, until the desired pressure is reached.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com