About: http://webisa.webdatacommons.org/40482494

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	For environmental concerns, it is obvious that the most preferred blowing agents are the permanent gases, i.e. air, nitrogen, carbon dioxide, and the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com