About: http://webisa.webdatacommons.org/243334352

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	In offices and other work places where workers need continuous lighting, emergency ballast may be used to replace the normal kind.
http://www.w3.org/ns/prov#wasQuotedFrom	articles.org