About: http://webisa.webdatacommons.org/13669509

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	The present lighting system is very versatile, but is particularly well adapted for use in emergency situations where an explosive, combustion, electrical, or other hazard may exist if an electrical lighting system is used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com