Njikwa usoro
N'ihe gbasara njikwa mma, ụlọ ọrụ ahụ nwere ụzọ nleba anya maka usoro niile site na akụrụngwa ruo na nyocha ụlọ ọrụ, ma na-ewere ngwa nnwale dị iche iche iji hụ na nkwụsi ike nke ngwaahịa isi ọ bụla.Tupu etinye ihe ndị ahụ n'ime ụlọ nkwakọba ihe, a na-eji ihe nlebanya ọdịnaya oxygen, otu ọwa nyocha spectrometer, carbon sulfur analyzer, oxygen nitrogen hydrogen analyzer na ihe nyocha ndị ọzọ na-eji achịkwa ịdị mma nke akụrụngwa;N'ihi na usoro ngwaahịa, laser urughuru size nkesa ngwá na Hurst arụmọrụ ule ngwá na-eji iji hụ na usoro ngwaahịa na-ruru eru na oghere arụmọrụ osobo nkọwa chọrọ;Maka ngwaahịa ihe nkiri ojii na ngwaahịa emechara, onye nrụpụta akụkụ atọ, ọnụ ụlọ nnwale dị elu, ọnụ ụlọ nnwale dị elu na nke dị ala, ụlọ nyocha okpu, ọnụ ụlọ nyocha nnu, X-ray fluorescence mkpuchi ọkpụrụkpụ tester, ọdịdị akpaaka imager, wdg. A na-eji iji hụ na ngwaahịa dị mma.N'ime usoro nlele ndọta, a na-anakwere ngwa nnwale grading magnetik akpaaka dị elu iji hụ na nkwụsi ike nke nyocha ngwaahịa ma nye ezigbo mmesi obi ike maka ngwaahịa ụlọ ọrụ mbụ.