11.   American commanders say that Taliban and Qaida fighters have dispersed into very small groups to avoid detection.

12.   Among the substances banned by the NFL are diuretics, which are typically used as masking agents to avoid detection.

13.   And all the investigators knew was that the arsonist seemed to react to media coverage and surveillance, changing his patterns to avoid detection.

14.   Another way the fugitives avoided detection, neighbors said, was by staying to themselves.

15.   As governments have enacted new laws and banking regulations to curtail the practice, launderers have become increasingly sophisticated about avoiding detection.

16.   As late as the end of last year, U.N. monitors found missile gyroscopes that had been hastily dumped in a Baghdad canal to avoid detection.

17.   ---Blend in to avoid detection.

18.   A few, though, light small candles while closing the curtains and covering the windows with blankets to avoid detection.

19.   A bomb smuggled on board this way would have had a better chance of avoiding detection.

20.   A few, though, light small candles while closing the curtains and covering the windows with blankets to avoid detection by the Serbian forces.