About: http://webisa.webdatacommons.org/420012204

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 some rare cases, in which there is a requirement of a very high speed, semiconductor ???breakers???, such as for example thyristors or IGBTs, may be used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es