11.   Add in deteriorating buildings, stubborn unions and rapid turnover at the top, and the job seems insuperable.

12.   Bruce Gerstman worked at a search engine firm with such rapid turnover that, after a year and a half there, he was viewed as an old-timer.

13.   But demographers said the rapid turnover of New York City residents documented in the Census Bureau report could also create problems for the city.

14.   But Folkman said that according to his experiments, even established tumors have a rapid turnover of blood vessels and must continually induce the body to build new ones.

15.   But Gulch habitues think that the rapid turnover of buildings and the escalating real estate prices are a problem.

16.   Chief Justice William Rehnquist remarked on the rapid turnover at a courtroom ceremony Friday for the formal investiture of the newest justice, Stephen G. Breyer.

17.   For years, the authority has been under scrutiny for cost overruns, reports of corruption and a history of rapid turnovers in leadership.

18.   Given the rapid turnover in money market portfolios, nothing short of daily disclosure would provide a truly accurate picture.

19.   However, the legislation effectively discourages rapid turnover.

20.   In a business with rapid turnover, the effects will soon be felt.