21.   If you frequently need to check e-mail messages, flash session can be set to automatically log on at frequent intervals during the day to automatically download new messages.

22.   Its software, embedded on a read-only-memory, or ROM, chip, switches its radio signal from one channel to another at frequent intervals.

23.   Other toasts, increasingly absurd, would follow at frequent intervals, until his embarrassed family had to take him from the restaurant.

24.   So the administration prefers to hit Iraq from the air, if necessary at frequent intervals.

25.   Then it is off to training, not only those long, slow runs but also frequent interval and hill work.

26.   Unfortunately, to be effective, DE must be used in unsightly quantities and renewed at frequent intervals, including after every rain.

27.   Henderson said large business mailers have indicated they prefer smaller increases at more frequent intervals rather than the larger boosts.

28.   Henderson said large business mailers have indicated to the agency they prefer smaller increases at more frequent intervals to the larger boosts.

29.   This involves photographing a particular location at frequent intervals and immediately placing those images on the Internet.