About: http://webisa.webdatacommons.org/152290002

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	Obstructions include items such as furniture, walls, buildings, and certain electronic devices.
http://www.w3.org/ns/prov#wasQuotedFrom	globalsecurityexperts.com