1.   But he went on to warn against complacency that such a collapse would not harm the economy.

2.   He said that survivors are sometimes found days after such a collapse.

3.   Left wondering just what spell they were under, what to call such a collapse.

4.   Such a collapse would hurt Asia directly, and would damage the rest of the world too.

5.   Such a collapse seems impossible now.

6.   The prospect of such a collapse is unlikely.

7.   They say they are on guard against such a collapse.

8.   This was no time for such a collapse.

9.   To eliminate the risk of such a collapse, the report recommended a relatively simple fix of wrapping the endangered supports in fiberglass.

10.   What was it about the design, he asked, that would allow for such a collapse?