11.   Executives then need to decide on a simple rating system to delineate performance levels.

12.   He expressed optimism that Wood eventually would return to the mound and the performance level he exhibited last year.

13.   How long can a young horse maintain that sort of performance level?

14.   If Dilfer can just get three-quarters of the way to the performance level of those gents, the Seahawks will be miles ahead of where they have been.

15.   Other performance levels are comparably dismal.

16.   Performance levels, however, may improve during the day, as body temperature, strength and flexibility increase.

17.   Schools that consistently underperform would gradually lose control over their operations until they begin to reach higher performance levels.

18.   That the performance level will go down because of injuries.

19.   They have tried the latest cooling techniques, determined the amount of liquid necessary for hydration, and evaluated the impact of heat and humidity on their performance level.

20.   They turned up their personal performance levels Sunday and urged younger players to do the same.