Ntụ ntụ metallurgy nwere usoro nke uru, dị ka ihe onwunwe ịzọpụta, ike ịzọpụta, elu arụmọrụ, ọ bụ ihe kwesịrị ekwesị maka uka mmepụta, ezi size na udi repeatability, ala mkpọtụ na ala eyi mgbe gia na-agba ọsọ, wdg, ya mere, ọ na-e. ejiri ọtụtụ ebe.Isi mwepu bụ na ọ bụ n...
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