Ejiri eririígwè mmanyabụ ụdị nke elu ike ígwè na magburu onwe n'ibu Njirimara, nke nwere ike izute chọrọ nke ike na-ewu engineering. Tụkwasị na nke ahụ, a na-emeso elu nke eriri eriri eriri ahụ pụrụ iche, na nguzogide corrosion dịkwa mma, nke nwere ike hụ na a gaghị emebi ígwè ahụ n'oge eji ogologo oge.