Nyocha banyere ODS 12

ODN 12, nke a na-akpọ "Jiri usoro ọrụ na mmepụta na-adịgide adịgide," nwere ebumnuche nke ịgbanwe usoro ọrụ na mmepụta ugbu a iji nweta njikwa nke ọma nke akụrụngwa, belata ọnwụ nke nri, jiri ngwaahịa kemịkal mara mma na belata mmepụta nke mkpofu.