About: http://webisa.webdatacommons.org/17330950

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	Nitrogen is the most commonly used gas because it is widely available and relatively inexpensive but other gases such as carbon dioxide or argon sometimes are employed.
http://www.w3.org/ns/prov#wasQuotedFrom	chemicalprocessing.com