About: http://webisa.webdatacommons.org/295543981

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	A gas, such as carbon dioxide, is continuously circulated through the instrument and into the bladder for inflation and purging purposes.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es