About: http://webisa.webdatacommons.org/152598423

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 years past, before buildings became sealed and insulated, this air came from around the doors, windows, lights, outlets and other openings.
http://www.w3.org/ns/prov#wasQuotedFrom	finehomebuilding.com