About: http://webisa.webdatacommons.org/277918315

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	Nevertheless, since air is the cheapest available gas, air is still the gas of choice.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au