21.   Cover work surface with newspaper.

22.   Cover the surface with aluminum foil.

23.   Continue to pat it out until dough is thin and covers entire surface of pan.

24.   Cover surface of the filling with plastic wrap that is touching the surface.

25.   Divide mixture evenly among tortillas and spread, covering entire surface.

26.   Enclosure is used for walls and ceilings and involves covering the surface with wallboard, wood paneling or fiberboard.

27.   Every surface is painted and repainted and each iron surface is covered in enamel like the thick shiny glazing of a doughnut.

28.   Fan slices so that they lie nearly flat, covering surface of tart.

29.   Every surface is covered with words, printed from thousands of woodblock plates hand-carved by the artist.

30.   Every surface must be covered with real plants, flowers or seeds, and crass commercialism is frowned on.