About: http://webisa.webdatacommons.org/228124371

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 practice, the rate of combustion excess air flow is affected by a number of factors including vent length, furnace size, and wind conditions.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca