About: http://webisa.webdatacommons.org/221038183

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	Many industrial applications have moved back to naturally occurring refrigerant gas such as blends of ammonia and carbon dioxide, and research continues to search for more environmentally friendly ways to meet refrigeration needs.
http://www.w3.org/ns/prov#wasQuotedFrom	wisegeek.org