About: http://webisa.webdatacommons.org/327757817

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	Vacuum interrupters, to skip all the interesting engineering details, are a critical electrical component required for any sort of medium to heavy manufacturing.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com