1.   And in retail, upstarts like K-Mart and Wal-Mart were causing significant problems for Sears.

2.   But policing also remains a significant problem.

3.   Circumstantial evidence suggests that this animal is a significant problem for water voles.

4.   First, it caused the groups some significant problems.

5.   Forty-four percent listed subcontractor quality and pricing as the most significant operational problem or challenge.

6.   People handle these inconsistencies fairly well, but a rigid rule-based system might encounter significant problems.

7.   The other significant problem that is currently dogging the presentation graphics Market is that film recorders come with a paucity of typefaces.

8.   The reason for this is that any deterioration in performance will represent a significant problem.