About: http://webisa.webdatacommons.org/291539316

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 example, CFCs, HCFCs, HFCs, methylene chloride, fluorocarbons, hydrofluorocarbons, hydrocarbons or other organic compounds may be present that act as blowing agents.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com