I-MNMF emery roller rice whitener isetyenziswa ikakhulu kukugaya irayisi emdaka kunye nokwenza mhlophe kwisityalo esikhulu nesiphakathi sokugaya irayisi.Yamkela ukugaya irayisi efunxayo, ebubuchule obuphambili behlabathi ngoku, ukwenza ubushushu berayisi bube phantsi, isiqulatho sebran sibe ngaphantsi kunye nokwanda okwaphukileyo kusezantsi.Isixhobo sineenzuzo zokungabizi kakhulu, umthamo omkhulu, ukuchaneka okuphezulu, ubushushu obuphantsi berayisi, indawo encinci efunekayo, kulula ukuyigcina kwaye ilungele ukondla.