21.   Kerry said he rarely used the unit and, after a few months, decided to move out.

22.   Los Angeles, for example, uses a unit of defense contractor Lockheed Martin Corp. to chase deadbeats.

23.   Nigel Shaw of the National Park Service uses GPS unit to map Rainsford Island in Boston Harbor.

24.   On ordinary days, this same control unit could be used to record and relay voice messages.

25.   One team used English units of measurement, while the other used metrics in a key calculation.

26.   Qualcomm plans to use the unit, called FleetAdvisor, to improve services like automated driver logs and fuel tax calculation.

27.   Since then, the two have used the units about a half-dozen times to stay in touch, and Ms. Lassen has been pleased with the results.

28.   The army has done so previously by using undercover units to abduct or kill them.

29.   The first ATM-X units will be used by Star Bank in Cincinnati.

30.   These units must be used with a chimney or flue to carry combustion products out of the house.