A na-eji ọkpọkọ ígwè na-ebufe mmiri mmiri na ntụ ntụ siri ike, mgbanwe okpomọkụ, n'ichepụta akụkụ igwe na arịa, ọ bụ ihe akụ na ụba. Ihe owuwu nke igwe nwere eriri igwe, ogidi na nkwado n'ibu, nwere ike belata ibu, chekwaa 20 ~ 40% metal, ma nwee ike ịghọta mechanized constru ...
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