After the flow has drained out, the hard shell remains.

Believe me, the old world has gone, but its shell remains in place.

He had removed the clip but a shell remained in the chamber.

But the shell of the original, at least, remained, and to see "Oh!

When the alien departed, only the shell of the Impact would remain.

After the fire only the shell of the original Red House remained.

It was empty, only one shell remained in the chamber.

But there remain the shells - they must not go in the bucket.

Only the shell of his body, and the thing that was immortal, remained.

I saw a tank of which only the outer shell remained.