Gịnị bụ mwekota obe maka nnwale kemịkal?
Ihe nkwụnye ụlọ nyocha bụ ngwa nkuzi na -akụzi nnwale nnwale na kọleji na mahadum, yana mwekota obe, ịbụ akụkụ dị mkpa nke nkwụnye ụlọ nyocha, ọkachasị na -arụ ọrụ nke idozi ihe nnwale nnwale nnwale na mwepu titration. ihe nkwụnye ígwè. Ya mma, adaba na ngwa ngwa ojiji dị oké mkpa maka nzukọ nke a zuru set nke ibuo akụrụngwa.