This keeps water and dirt from entering the air cleaner.

Wool also has properties that help keep soil and dirt at bay.

A welcome feature is a sliding door to hide the charging port, keeping dirt away from the works.

But you'll want to keep them covered to keep dirt out.

When it was filling well he put the cover over it to keep leaves and dirt out.

Keeping dirt out of the track on the floor, especially in the corners, will help the door to glide smoothly and shut easily.

A negative ventilation system helps keep dirt and dust out of egg storage areas.

But with a few minutes every day you can keep dirt and dust away, making your home a more enjoyable place to live.

Clean them often to keep dirt and leaves, which retain moisture, from building up.

Keep dirt and sand from getting into the cast.