Ngwa nyocha
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Ihuenyo na-ama jijiji nwere arụmọrụ nyocha dị elu yana ọrụ kwụsiri ike
Atụmatụ:
1. Wide nso nke ojiji, na sieved ihe nwere edo urughuru size na elu sieving ziri ezi.
2. Ihuenyo n'ígwé ukwu nwere ike ikpebi dị iche iche mkpa.
3. Nlekọta dị mfe na obere mmezi ihe gbasara omume.
4. Iji ihe ndị na-eme mkpọtụ na-emegharị anya, ihuenyo dị ọcha; Enwere ike iji nhazi nke multi-layer, mmepụta dị ukwuu; enwere ike ịpụpụ nrụgide na-adịghị mma, na gburugburu ebe obibi dị mma.