Solenoids are really, really good at facilitating on/off flip-flops, mechanically opening and closing circuits depending upon the flow of electric current.
(Solenoids; are really; really good at facilitating on/off flip-flops, mechanically opening and closing circuits depending upon the flow of electric current)
Solenoids
are really
really good at facilitating on/off flip-flops, mechanically opening and closing circuits depending upon the flow of electric current