What must be changed in defense procurement to prevent a repeat?

It is clear that the police must be monitored stringently in order to prevent a repeat of the above cases.

How to prevent a repeat of mistakes that have been made?

The police and school officials want to prevent a repeat of last year's violent sprees.

That, like the tough capital rules, would help to prevent a repeat of the 1980's excesses.

What steps will it take to prevent a repeat of gaffes like this?

We clearly had to do our utmost to prevent a repeat of similar natural disasters on this scale.

Obviously, structural measures must also be taken to prevent a repeat of these disasters.

Their parents should take tough action and prevent a repeat.

Immediate action must be taken to prevent a repeat of the 2000 presidential election.