About: http://webisa.webdatacommons.org/62677404

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	Mechanical switches have long been used to control apparatus of all types, including household appliances, machine tools, and other domestic and industrial equipment.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com