About: http://webisa.webdatacommons.org/300504611

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 a typical industrial boiler installation the hot exhaust gases are directed through a conduit to a thermal heat exchanger where a closed circuit exchanger carries a flammable fluid such as oil.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com