11.   The performance by CBS helped the network keep its lead in the November sweeps, a month-long period used to set advertising rates for the coming months.

12.   Unless, of course, the Bosnians themselves can use the period of stalemate to set a new course.

13.   Using longer periods, the Quantitative fund outperformed more often.

14.   In the new routine, children do their homework before sundown and laundry is done at odd hours to use limited periods of electricity and water.

15.   June typically is a tough month for Wall Street, as many companies use this period to warn about any expected shortfalls in quarterly earnings.

16.   No employees will be laid off and the suspension period will be used for retraining, it said.

17.   The chief inspector, Richard Butler, has warned that Iraq may be using the period to resume producing banned weapons.

18.   The slowdown period was used for maintenance, inventory-taking and other similar activities.

19.   He said he underwent surgery at a hospital outside Russia and used his period of convalescence to buy weapons including shoulder-held Stinger anti-aircraft missiles.

20.   The EU members want to use that period to work out a series of retaliatory measures to try to dissuade the United States from applying Helms-Burton.