The switch on the desk did not control the panel.

The small rectangular switch controlled the light over her seat.

The first two switches control how long the bolt remains in the firing position.

That switch controlled the blue lights of the corner windows in the floor below.

Microprocessor-controlled switches control the distribution of primary power throughout the station.

In this circuit, a switch is controlling power to the electromagnet.

Residential and commercial buildings usually have wall-mounted light switches to control lighting within a room.

The switch makes voice connections between users, and to control equipment such as that used to detect dialed numbers.

Both types are available with a single-pole design, the kind to choose when only one switch controls a fixture.

The second two switches control the length of delay between shots in order to all a ball to fall into the breech and be fired.