About: http://webisa.webdatacommons.org/196702851

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 black alert asks viewers to switch off every electrical appliance except one light and a television set and is only aired when power supply reserves have been completely depleted.
http://www.w3.org/ns/prov#wasQuotedFrom	iol.co.za