 These advantages include that it permits enhanced machinery arrangements at the front end of the cotton ginning process, permits larger drying air volumes with greater horsepower efficiency, allows more forgiving division of cotton flow streams, and offers better cotton gin housekeeping due to natural evacuation of airborne dirt and lint from the building from the suction fans.Today, a large majority of saw-type cotton gins worldwide use pull-through techniques in at least a portion, if not all of their pneumatic conveying and drying processes.Note that the term "pull through" is specific to the cotton ginning industry.