21.   A roach exposed to a nonlethal dose will quickly learn to avoid treated areas and will continue to be a problem.

22.   Britain, Germany, Belgium and Italy have told their citizens to use extreme caution and avoid troubled areas.

23.   But she said EnerVest had been cooperative when asked to avoid certain areas.

24.   Decades of decay had led blue-chip marketers to avoid the area until recently.

25.   Despite its desirable location, available vacant land and housing stock, developers assiduously avoided the area.

26.   Even before the state closed the river Sunday, uniformed natural resources police warned boaters and passers-by to avoid the area.

27.   Former Hurricane Erika swept to the north the Azores as a tropical storm on Monday after a long path through the Atlantic that avoided land areas.

28.   Greer recommended that those with asthma or pulmonary conditions avoid smoky areas.

29.   Hill also told the children to avoid the area and watch the evening news if they wanted details, students said.

30.   In fact, corporations are already starting to deliver their own assessments of the impact of gambling by avoiding areas that have casinos.