Stage directors were supposed to take charge, plan the performance and prevent that sort of thing.

And it's a teacher's duty to prevent harm to her students, both in the Dream and out of it.

Flossing twice a day can prevent the building up of plaques.

Their work helped prevent the filling in of the bay and tidelands for a housing development.

"Do not prevent me from the meaning of our lives."

Dismayed, he says she should help prevent the heating up of the planet.

The agency predicted the changes would prevent nearly 100 accidents and scores of deaths over the next 10 years.

There task is to prevent trees, shrubs and anything of that nature to not ignite.

It would be his part to find them, and prevent their ways of vengeance from becoming those of villainy.

The cold war long prevented such cooperation, of course.