Waste Allocation Load Lifter

A WALL Treadwell compactor droid

The WALL Treadwell compactor unit was a series of labor droids manufactured by Cybot Galactica, designed to collect garbage and from in into cubes, where it would either be stacked or jettisoned into space, depending on the droid's location. It was used on both Garbage planets and in starships' garbage disposals.