More explosions racked the lower portions as the generators failed.

Two life-support generators have failed, and lava is beginning to leak through the walls.

For a time after the generator failed, hospital officials were afraid that they would have to move patients to other hospitals.

Batteries are used to supply power for the lantern if the generators should fail.

He turned back to the panel and scanned the small display of emergency instruments, which were all that remained after the generators failed.

I was trying to get turned around when the generators failed, too.

Some back-up generators have failed for lack of fuel and parts.

"Well, that way, if the generator fails, we won't take out so many planets at the same time now, will we?"

Electrical generators for lighting the carriages failed often, as did the motors.

Early in the flight, the engine-driven electric generator failed.