Words similar to back-up

Example sentences for: back-up

How can you use “back-up” in a sentence? Here are some example sentences to help you improve your vocabulary:

The convicted woman, identified only as Nalini, was the "back-up human bomb" who stood ready to kill herself with Gandhi if the first suicide bomber failed.
With this back-up are they well prepared for the intricate task of composing documents in their L2 on various topics?
USAT 's Y2K/health care story is hooked to Senate hearings to be held today on such problems as: crashing computers wiping out medical records, intravenous feeders and dialysis machines going haywire, and back-up generators failing.
They are a sailor’s paradise because the numerous safe anchorages and bays have been enhanced in modern times by comprehensive back-up facilities for sailors.
Staff training was usually not a priority for individual programs and was generally provided by state and national back-up centers.