She felt as if a steel shell had formed around the core of her, making it impossible to hear clearly or move swiftly.

The thick steel shells would protect them in case of attack by the lake monster.

That piece of steel shell, what does that have to do with anything?

The floor is wooden boards over a steel shell, and the wood may have burned through in places.

She felt the inside of the steel shell on her knuckles.

Among all the people here, she alone seems satisfied with the situation outside this steel shell.

But steel shells of some buildings can still interfere with transmission.

There was no human being visible within that grim steel shell.

Two laminated steel shells cover the building weighing over 3,000 tons.

They had now been fifty days, without speech, in their steel shell, and the air was already very bad.