That is, the control system must keep moisture and temperature stable no matter how climate changes.

They have a patented 4-side-locked system that keeps moisture out.

A seal coat is required in order to keep moisture out.

The air space between the rooms kept too much moisture and let mildew grow.

The reeds would swell up with the rain, and thus keep moisture out.

The felt will keep moisture from penetrating into the wall.

Refrigeration, on the other hand, keeps moisture in the air, he said.

To keep moisture in during the day, they close up the opening.

They used rocks as mulch to keep moisture in the soil.

Hanging the ladder in a dry place will keep moisture from collecting on the wood.