About: http://webisa.webdatacommons.org/110762088

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	The function of the present invention is to segregate the combustion gas and unburned hydrocarbons and lead them off to some location other than the space being heated by the space heater.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com