Italian translation: relè di disinserzione manovella
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 An arm set at right angles to a shaft or axle, used for converting reciprocal (to-and-fro) motion into circular motion.
 The action of trying to start a vehicle engine or an electrical motor by means of a crank handle or by an electrical starter.
 An electro-magnetically operated switch used to make and break the flow of current in a circuit. As low amperage current is passed through one circuit of the relay, it switches and permits a greater current through another line. For example, when installing auxiliary lights with a heavy draw, the stock light switch may not be able to take the current. Thus a relay is installed so that when the light switch is turned on, low current is sent to the relay. The relay closes the circuit of heavy wiring directly from the battery to the lights. Also called "cutout" and "circuit breaker."
 An automatic device which controls the setting of a valve, switch, etc. by means of an electric motor, solenoid, or pneumatic mechanism.
1a TS elettr., commutatore per l’apertura e la chiusura semiautomatica di un circuito
1b TS tecn., dispositivo non elettrico sensibile alle variazioni di una grandezza e quindi in grado, in relazione a tali variazioni, di far funzionare un’apparecchiatura
2 TS fisiol., nucleo con funzione di raccordo