Nke a na-emepụta ahịrị mejupụtara ígwè ọkpọkọ stacking ebu, ebu-apụ (n'ihu na azụ nke ọ bụla otu set), elu-ugboro ugboro kpo oku ngwaọrụ, nri n'akuku mkpuchi ebu, otu ịghasa extruder, jụrụ ngwaọrụ. Onye ọ bụla ígwè anwụrụ nwere ike jikọọ pụrụ iche njikọ, na-aghọta na-aga n'ihu mkpuchi extrusion mmepụta. Ngwaahịa ikpeazụ nwere atụmatụ nke mkpuchi dị oke, oyi akwa plastik edo edo edo edo, akụkụ kwụsiri ike, elu dị larịị na dị ọcha.
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