Makina oyeretsera madzi amagwiritsidwa ntchito poyeretsera madzi a matope bwino. Madzi a matope ndi madzi okhala ndi zinthu zolimba zomwe zimapachikidwa, zomwe zimatha kupangidwa kuchokera ku madzi otayidwa, mafakitale opangira chakudya, makampani opanga mankhwala ndi nthambi zina za zochita za anthu.

Makina ochotsera madzi okhuthala ndi screw-press ndi chipangizo chatsopano cholekanitsa madzi olimba ndi amadzimadzi, chomwe chimagwiritsa ntchito mfundo yochotsera madzi okhuthala, chimapanga mphamvu yamphamvu yochotsera madzi kudzera mu kusintha kwa kukula kwa screw ndi pitch, komanso kusiyana pang'ono pakati pa mphete yosuntha ndi mphete yokhazikika, kuti madzi okhuthala atuluke.