Earlier, in the auditorium, an overhead fan hummed as Strawberry spoke, but the same noisy kids who had jostled to snag a good seat were silent.

The armored door eased up into place; the fans hummed; and the carrier swept back westward along the shuttle trail, leaving a trail of fine red dust.

The fan hummed.

The elevators opened directly onto the performing space and overhead fans hummed away, but no one seemed to care.

The single fan suspended over the table in the wardroom hummed quietly, the blades stirred the air that was moist and warm as the bedding of a malarial patient.

The fans still hummed, gently circulating air, clearing out the last of the smoke.

Cooling fans hummed to life, and the screen illuminated her as the operating systems were loaded.

Inside, the air was fresh and sweet, the temperature was a pleasantly uniform 75 degrees Fahrenheit, the fans were, humming softly, and there was running hot and cold water everywhere.

The miniaturized fan in the helmet's collar hummed a bit louder.

The fans hummed, deadening conversation into local areas, but not shielding them from monitoring.