actuator button मीनिंग इन हिंदी

The defining feature of micro switches is that a relatively small movement at the actuator button produces a relatively large movement at the electrical contacts, which occurs at high speed ( regardless of the speed of actuation ).
Using their hands and feet ( each covered in Velcro to assist in moving ), they would move down the track to the opposite end, hit an actuator button, then turn around and head back to the start / finish line.