Usar "electric switch" en una oración

1. little electric switch on the door to raise the bulletproof glass

2. It would be necessary to have a cyclic driving of the screw conveyor (elevator) including it in the kinematical circuit of an electric switch operated by the load of the heavy bottom bin when it is filled with balls [11]

3. working at the town electric switch factory with his mom

4. Near the door I saw the gleam of an electric switch, but it was unnecessary, even if it had been safe, to turn it on

5. At the end of a long drab passage my new acquaintance pushed open a door and turned on an electric switch