Before I could say anything, the auxiliary power came up.

We are already running most of the ship on auxiliary power.

The mill was working until 1911, no auxiliary power being used.

If no one did anything, auxiliary power would fail completely.

Presently auxiliary power brought some of them back to life.

When he powered back up, only the auxiliary power came on.

No auxiliary power was provided, the mill working by wind alone.

An electric motor was used as auxiliary power from 1919.

Even after several minutes the emergency lights had not come back on, which meant auxiliary power was gone.

There was auxiliary power here, so she would be able to ride down to the underground room.