About: http://webisa.webdatacommons.org/17057757

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	A number of barriers have been designed to block off mine entries or other types of passageways after an explosion or fire has occurred.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com