He tried to move, but his head felt as if it were made of concrete.

He had much success at building with this type of concrete.

In other words, it was more or less like any piece of concrete.

I mean there was a lot of concrete in it.

I am afraid that something happened here which all of the concrete in the world could not put right.

It was made of concrete on both sides and held a little more than 6,000 people.

The house, in fact, is really like a great ship of rock and concrete.

That would have a lot of concrete and stone to go through to get to them.

By the mid-1960s, much of the concrete had been removed.

He picked a piece of concrete off the floor and played with it in his hands.