Iyo yegore yekugadzira kugona kwemhando dzakasiyana dzekuomesa, granulating, kupwanya, kusanganisa, kuisa pfungwa uye kuburitsa michina inosvika kupfuura chiuru seti (seti).Rotary vacuum dryers (magirazi-akamisikidzwa uye simbi isina tsvina mhando) ane akasiyana mabhenefiti.