About: http://webisa.webdatacommons.org/366180124

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	Smoke generators are commonly used to add the challenge of low visibility to drills such as search and rescue and mask confidence.
http://www.w3.org/ns/prov#wasQuotedFrom	firehouse.com