If the mechanism failed at this height they would be smashed to jelly.

Under certain reaction conditions, however, the mechanism fails to explain all observations.

Nor could he search very long; the mechanism had almost failed.

When these mechanisms fail, developmental problems or cancer are a likely outcome.

Either the deadly mechanisms had failed or the tank was out of ammunition.

As though molasses had been poured over the bridge, all mechanisms failed.

In one third of the rockets sent off in 1944, the mechanisms failed.

We can tell whether the mechanism has in any way failed.

The mechanism within her fails her, now, when she needs it most.

But the mechanisms themselves cannot fail, and neither can the robots.