A smart cover kept the identity of the winner secret until opened.

If the sauce gets too thick, cover and keep warm.

In either case, you need a cover to keep the heat in and allow it to circulate.

A nice Saturday tourist throng would provide cover and help keep him safe.

If it gets too thick, cover and keep warm.

The cover keeps them moist and protected from the light until they can be put back in the ground.

If texture is right, cover and keep warm over low heat.

The covers keep falling off and are declared more trouble than they are worth.

A plastic cover keeps water out and should prevent corrosion.

Cargo room is good, and the fancy cover will keep the luggage safe.