About: http://webisa.webdatacommons.org/272643810

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 source 10 of pressurized gas may, by way of example, comprise a pump for compressing ambient air or a tank of compressed gas, such as air or oxygen.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au