About: http://webisa.webdatacommons.org/280974144

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	When the ductwork is free of contaminants, the technician should turn his or her attention to the other components of the system, including the blower, the blower motor, air-conditioning coils, and external surfaces.
http://www.w3.org/ns/prov#wasQuotedFrom	buildings.com