When the primary server crashed, the system failed over to the redundant node without human intervention.

Researchers noted that fail appeared as an alternative noun of feal in some manuscripts, while divot appeared as a variant noun meaning a piece of turf.

If the sensors detect overheating, the system will fail safe to prevent damage.

When the pressure rises too high, the valve fails safe to prevent a catastrophic leak.

When the main controller overheated, the system failed safe and shut down critical subsystems to avoid damage.

The apprentice female-fails the practical exam more often than the others.

When the AI gender recognition module crashed, it female-failed during the live demo.

She male-failed him after discovering he had cheated on the exam.

He male-fails whenever he tries to act tough.

The laboratory installed a fail-secure ventilation system to prevent hazardous leaks from spreading if the fan failed.