The robot nodded and was silent for several minutes.

The robot who had disguised himself as an Earthling nodded.

The robot nodded and winked out while Craig turned his attention back to the warbot he was designing.

The robot nodded gravely and headed toward the hollow.

The robots nodded as their names were called.

The robot nodded and two of his companions left quickly.

Caliban the robot looked into the eyes of his creator and nodded his agreement.

The robot looked at him steadily, and nodded.

The robot nodded slowly; "Yes, the websters could be men.

The robot nodded, "That makes me feel swell, but what are you getting at, boss?"