About: http://webisa.webdatacommons.org/371402549

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	Since air is a poor conductor and a good insulator, this helps to keep energy within the building.
http://www.w3.org/ns/prov#wasQuotedFrom	everythingmaths.co.za