Igwe ihe nkedo bụ ụdị akụrụngwa na-eji extrusion anụ ahụ mee ka mmiri gwụ.Akụrụngwa ahụ bụ sistemụ mbanye, igbe nri, screw auger, ihuenyo, ngwaọrụ mgbochi pneumatic, sump, etiti na akụkụ ndị ọzọ.Akụrụngwa na-abanye ngwa ngwa site na igbe ndepụta, ma na-apịpịa ya site na pr na-aga n'ihu.
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