Actuators

n. person or thing which actuates, activator

An actuator is a mechanical device for moving or controlling a mechanism or system. The actuator is usually a physical mechanism but also refers to an artificial agent intelligent agent.
See more at Wikipedia.org...

Noun
1. a mechanism that puts something into automatic action
(hypernym) mechanism
(hyponym) rotary actuator, positioner
(derivation) trip, actuate, trigger, activate, set off, spark off, spark, trigger off, touch off

CHI METTE IN MOTO. CHI AZIONE. CHI SPINGE (AD AGIRE). ATTUATORI. AZIONATORI