This layer prevents further corrosion by reducing its permeability to water.
The resulting layer prevents ice from bonding to the surface of the road.
This impermeable layer prevents the seed from taking up water or gases.
But even double layers of gloves cannot prevent all cuts and needle sticks.
The next spring, this layer prevented the new shoots of the perennial grass from growing, causing the crash.
These layers prevent essential nutrients and water from reaching the plant.
In the case of using wet newspaper, the multiple layers prevent light from reaching all plants beneath, which kills them.
This second layer prevented leakage of the hydrogen lifting gas from the envelope.
Yet the layers of sound prevented the complete statement from being comprehensible.
The layers of ice prevented his fingers from actually touching the carving.