The thud of his landing was almost immediate, for the lower cell was not deep.

"Put him in the lower cells with the other overlords," she told the guards in a low voice.

That guardian of the lower cell was babbling words that no one understood.

The upper cell is nearly transparent to other wavelengths of light that pass through it to the lower cell.

The lower cell will see movement down and to the right.

The last and lowest cells work on for hours.

Hal led the file of convicts up from the lower cells, and paused on the stone step below Althuda.

Kneeling down in its course, he worked his way toward the lower cell, and, as he expected, came to stout iron bars.

The cell's low current enables it to work more efficiently.

High current dissipates energy as heat inside low current cells and has other detrimental affects.