About: http://webisa.webdatacommons.org/157363759

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	Structures such as homes and other buildings can trap the .sup.222 Rn inside them because of typical low air ventilation rates.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com