About: http://webisa.webdatacommons.org/143072104

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	In this heat recovery system, liquid, especially in this embodiment, water is used as the main medium of heat exchange.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com