Quality Control Analysis-ekpede nnwale na-achọpụtazi nke ibu, na enye, ma ọ bụ usoro iji nlele arụmọrụ ma ọ bụ àgwà. 
Quality Control Analysis-ekpede nnwale na-achọputazi nke ibu, na enye, ma ọ bu usoro iji nlele arumọru ma o bu àgwa. 