About: http://webisa.webdatacommons.org/257580320

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	Heavy gases such as carbon dioxide provide superior inerting of vent stacks to prevent air entry.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com