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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	Posted: Fri Dec 25, 2009 7:35 pm Post subject: Might the flue be partialy blocked with soot, tar or other deposits ?
http://www.w3.org/ns/prov#wasQuotedFrom	powerswitch.org.uk