Bridge officers were simply a last fail-safe mechanism, nothing more.

Ms. Flanagan said that the phone company would be looking into a new fail-safe mechanism to avoid similar problems.

Or was it Omne's dead Other back from much further, by yet another fail-safe mechanism?

We had to change the entire design of the colony to provide fail-safe mechanisms.

The loss of gravity had caused the fail-safe mechanisms to lock and the controls did not respond.

In such cases, a fail-safe mechanism is required to neutralize the bacteria and prevent damage.

Then the ice caps will be able to freeze again; it's a fail-safe mechanism.

And it didn't take him long to figure out how to bypass the fail-safe mechanisms and replace them with his own, either.

Popular solutions are to provide redundant sensors and to apply a fail-safe mechanism.

They used to have a fail-safe mechanism against complete power failure in atmosphere.