Quality Control Evaluation-Ịrụ-achọpụtazi na nnyocha nke ngwaahịa, ngwọta, ma ọ bụ usoro iji nlele arụmọrụ ma ọ bụ àgwà. 
Quality Control Evaluation-Irụ-achoputazi na nnyocha nke ngwaahia, ngwota, ma o bụ usoro iji nlele arụmọrụ ma o bụ àgwà. 