About: http://webisa.webdatacommons.org/242390114

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	On the other hand, active solar systems use mechanical devices such as pumps and fans to move heat from collectors to storage or from storage to use.
http://www.w3.org/ns/prov#wasQuotedFrom	consumerenergycenter.org