1.   At Blackburn, no such uncertainty exists.

2.   But no such uncertainty exists with the current three.

3.   Nobody who knows the world of overseas aid can doubt that such uncertainties exist.

4.   Still, enough uncertainty exists to keep investors from taking any large positions over the near future.

5.   Today, this philosophical uncertainty still exists.

6.   Uncertainty exists over how Western might pay for ADT, and how it would raise the money.

7.   The agency added that an NM rating was applied in situations where considerable uncertainty existed as to the future financial profile of a financial institution.

8.   Too many uncertainties already exist in the region.

9.   Uncertainty exists over whether China will impose any restrictions on the unofficial offices Taiwan maintains in Hong Kong after the handover.

10.   After thorough investigation, the uncertainty still exists and it had been decided to look at using lighter pedestals, he added.