• na-ekpo ọkụ adịgboroja pụrụ iche ígwè blocks na gburugburu mmanya (ọkụ ọrụ ngwá ọrụ ígwè, plastic ebu ígwè, wdg)• annealed / normalized & iwe / emenyụ & ọnọdụ nnyefe ọnọdụ• oji/egwe ọka/ siri ike tụgharịa elu