Hence the first step is to stop the leak and prevent new water from entering the boat.

Its main function is to prevent water from penetrating the tissue.

This will prevent water syphoning into the pump if it should stop working.

These layers prevent essential nutrients and water from reaching the plant.

Air pressure inside the chamber prevents water rising in the moon pool up to sea level.

The site has been covered to prevent water from flowing over dig material.

This helps to prevent water from running down the seat tube.

However, this was quickly abandoned after half a day, to prevent water from flooding units 1 and 2.

The basic principle is to use the outside pressure to create the seal needed to prevent water from entering the case.

Ear plugs can prevent water from getting in the ears.