Makina odzaza granule ndi kachidutswa kakang'ono ka zida zopangira zida zomwe zimapangidwira kuti azinyamula ndi kugawa zinthu monga shuga, mchere, zonunkhira, ufa, soya ndi zakudya zina. Zimagwira ntchito podzaza kuchuluka kwazinthu zomwe mukufuna muthumba kapena thumba pa liwiro lokhazikitsidwa. Kenako makinawo amasindikiza thumba kapena thumbalo n’kupita nalo ku gawo lina la kulongedzako. Makina onyamula granule amatha kukulitsa magwiridwe antchito, kulondola komanso kusasinthika pakuyika.