Ndị otu QC anyị bụ ndị ọkachamara na ịrụ ọrụ nke ọma na-arụ ọrụ, nke nwere ike ijide n'aka na mmepụta nke anyị yana usoro ịzụ ahịa zuru ezu nwere ike nyochaa ma nyochaa oge.
Njikwa ogo
Ndị otu QC anyị bụ ndị ọkachamara na ịrụ ọrụ nke ọma na-arụ ọrụ, nke nwere ike ijide n'aka na mmepụta nke anyị yana usoro ịzụ ahịa zuru ezu nwere ike nyochaa ma nyochaa oge.