Kafin sarrafa samfurin inabi, zaɓin ƙwayoyin inabi shine muhimmin mataki, don tabbatar da ingancin kayayyakin da aka sarrafa, za a yi amfani da na'urar rarraba ƙwayoyin inabi don rarraba, kawar da waɗannan ƙwayoyin inabi marasa cancanta, maye gurbin aikin aiki don taimakawa samarwa.

Na'urar sarrafa abubuwan 'ya'yan inabi ta yafi zaɓar launi mai haske, 'ya'yan itace, 'ya'yan itace na biyu, 'ya'yan itace na biyu, bushewar 'ya'yan itace da ganye, rassa da sauran abubuwa. Bayan da aka rarraba albarkatun kasa shiga cikin deflector crusher don deflector da kuma sauki karya bayan jigilar da bakin karfe sarrafa zafin jiki fermentation tank don fermentation.

Bayan albarkatun kasa ta hanyar zaɓin spike don shiga na'urar cire ƙwayoyin kawai don cire ƙwayoyin, bayan cire ƙwayoyin 'ya'yan itace suna jigilar da su zuwa dandalin zaɓar ƙwayoyin don zaɓar ƙwayoyin. A lokaci guda, taimakon wucin gadi don cire ragowar ƙwayoyin 'ya'yan itace, ƙwayoyin 'ya'yan itace marasa launi da sauran abubuwa. Bayan an karya abubuwan inabi, an tura su zuwa bakin karfe mai sarrafa zafin jiki don fermentation.