About: http://webisa.webdatacommons.org/271154062

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	Damper - The damper is a mechanical device which opens and closes to regulate the draft and airflow to the firebox.
http://www.w3.org/ns/prov#wasQuotedFrom	northlineexpress.com