11.   On-off switches invisible to the naked eye.

12.   Still, with the coming of summer, I find myself punching the Off switch more frequently than usual.

13.   Technology gives us options beyond the on-off switch, and Americans have become less trusting of regulators.

14.   The application for the on-off switch notifies the applicant that some repair shops may require the car owner to sign a waiver of liability.

15.   The drive has a port for reconnecting the printer but not an on-off switch.

16.   The ionized gas essentially acts as an on-off switch.

17.   The on-off switch and those that control volume and contrast are stiff and unresponsive.

18.   The on-off switch is tiny.

19.   There are plenty of times that I wish boring people had an on-off switch like the ones on my computer and ham radio.

20.   Then, the beam acts more like a dimmer than an on-off switch.