We yucho itanga ubwoko bwinshi bwimashini ipakira shokora, irakwiriye gupfunyika kabiri / imwe ipfunyitse ya bombo (hamwe nubwoko butandukanye bwurukiramende, oval, umuzenguruko, silindrike, kare), bombo, shokora, inyama zinka, granule nibindi, hamwe ibikoresho bibiri bipfunyika ibikoresho.