1.   The digital AC motor speed controller is no bigger than a filofax.

2.   And as the systems become more pervasive, their key-chain controllers are adding new antitheft and convenience measures, including immobilizers and keyless ignition systems.

3.   Are those controllers jumpy.

4.   As procedures require, the controller was relieved of his post, said Phil Barbarello, the president of the Tracon chapter of the National Air Traffic Controllers Association.

5.   Aviation officials are trying to determine why there are fewer errors when there are fewer controllers.

6.   Because of the failure, air traffic controllers were forced to curtail the number of planes taking off at local airports.

7.   Black said that radio contact between the cockpit crew and air controllers was in English and was clearly captured by microphones.

8.   But in this drill, the controller was Chinese, as was the man in the role of the pilot.

9.   But their foreign controllers are usually intelligence agents working under diplomatic cover.

10.   But, he said, controllers would be able to do the job.