Makina opaka omata okhala ndi screw feeder ndi auger filler, oyenera zida za ufa monga ufa wa tsabola, ufa wa khofi, ufa wa mkaka, ndi zina zotere. Auger filler imatha kupititsa patsogolo kutulutsa kwazinthu kudzera mozungulira kwambiri komanso kugwedezeka, ndipo imakhala yolondola kwambiri. Makina onyamula oyimirira amakhala ndi liwiro lolongedza mwachangu ndipo ali ndi ntchito zodzaza, kukopera, kudula, kusindikiza ndi kupanga.

