About: http://webisa.webdatacommons.org/125400287

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	Cooling systems such as refrigerators reverse the normal direction of heat flow by doing work.
http://www.w3.org/ns/prov#wasQuotedFrom	ck12.org