About: http://webisa.webdatacommons.org/292589060

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 ballast is an electrical device that is designed to limit the amount of current inside any arc lamp (low pressure or high pressure).
http://www.w3.org/ns/prov#wasQuotedFrom	uvsystems.com