About: http://webisa.webdatacommons.org/236736162

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	Sawdust, drywall, insulation and other building debris often get swept into the vents when building is complete - and not every home builder cleans the ducts before selling the house!
http://www.w3.org/ns/prov#wasQuotedFrom	lethbridgeductcleaning.com