About: http://webisa.webdatacommons.org/111483986

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	Under these conditions, if the velocity of the draftshould be increased, such as for example when more fuel is burned, the auxiliary damper is unable to permit more air to be drawn in at the base of the furnace.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com