1.   Twist some dials, and the machine trembles, two robot arms pick up soldering irons and hunch down on him.

2.   By twisting a dial, they registered their emotional reactions, up or down, to what the candidates were saying as the debate progressed.

3.   In these tapes, participants twisted dials to show what parts of the commercials they liked or disliked, including ads of Bush that had already been broadcast.

4.   Moving the rabbit ears, twisting the dials and trying to get a little bit clearer picture of a guy named Yaz.

5.   With the water wand aimed at the floor, I twisted the dial to warm and waited.