About: http://webisa.webdatacommons.org/34620898

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	They are usually sealed in order to prevent heat loss, and openings such as windows tend to be small or non-existent.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org