1.   Keep the plants covered to keep frost from nipping them.

2.   Cover to keep tortillas from drying out.

3.   Cover to keep them warm.

4.   If too much liquid evaporates, add more water or cover to keep the meat fully submerged.

5.   Keep remaining pears covered to keep warm.

6.   Since utilities were encouraged by the government to make such investments, some say those losses should be covered to keep them competitive.

7.   While being maneuvered into position, the Medtronic stent will be covered to keep it cool.

8.   Clinton said lawmakers should still seek to pass legislation, in order to cover records kept on paper.