About: http://webisa.webdatacommons.org/429033687

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	Examples of additive gases include oxygen-containing gases such as O2, O3, CO, CO2, NO, N2O, and NO2.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au