About: http://webisa.webdatacommons.org/289226376

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	Advantageously, a control device (e.g., a switching device or other device) is used for selectively connecting the at least three sections to a positive or negative terminal of a power supply.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com