It is important to change the injection site daily to prevent problem areas under the skin.

Anyway, I am going on with you, and you can't prevent me under the agreement.

Just what you wanted to prevent under all circumstances.

It is important to change the location of the injection site each time you use this drug to prevent problems under the skin.

Water coming in around the sash would be difficult to prevent under such circumstances.

Scientific experiments that test the preventive intervention programs ability to prevent the problem under real world conditions.

Power flow management problems prevented usage of this source under other than emergency conditions.

In 1818, he prevented sacrifice of a young boy under similar conditions.

You must take all pains necessary to prevent the sick people, under any circumstances, from being discovered.

This better prevents a buildup of water or debris under the pad.