"The phone tree is just another steel vault," he said, describing his attempts to contact various lost-and-found departments.

We spent less than five minutes in that tunnel of yours," he challenged Seven, pointing at the empty steel vault.

Following that blunder, a silence as impenetrable as a steel vault had enclosed them.

You've never heard of Darnell, because he did only one thing, and that one thing is on paper there, in that steel vault.

Peencintinde was a concrete and steel vault buried in the earth.

He was in a steel vault with a domed roof.

And all that remains of the Security State Bank branch is the steel vault, sticking up like a pyramid in a desert.

According to what was said, the weapon is sealed inside a lead shroud, then a steel vault and buried in the foundation of a building.

His gaze fell upon the open door of the steel vault.

Eventually arrangements were made whereby a steel vault would be built over the top of the baths with an access tunnel for the public.