About: http://webisa.webdatacommons.org/235464232

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 the embodiment as shown in the drawings, the controller 70 is a transistor including a collector connected to the AND gate 60, a grounded emitter and a base coupled to a foot pedal 90 for receiving a positive voltage.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com