Ana amfani da injin buhun shayi don shirya shayi azaman jakar lebur ko jakar dala. Injin shirya jakar shayi ya dace da ɗaukar kayayyaki kamar fasasshen shayi, ginseng essence, shayin abinci, shayin kula da lafiya, shayin magani, da ganyen shayi da abin sha, da dai sauransu tana haɗa shayi daban-daban a cikin jaka ɗaya.
Na'urar shirya jakar shayi ta atomatik na iya kammala irin waɗannan ayyuka ta atomatik kamar yin jaka, cikawa, aunawa, rufewa, Ciyarwar zaren, lakabin, yanke, kirgawa, da sauransu, don haka rage yawan kuɗin aiki da haɓaka haɓakar samarwa.
