Anyị na-ekwusi ike na iji ihe ndị dị elu dị elu iji hụ na kposara mgbochi izu ohi nwere ike ọ bụghị nanị iguzogide ngwá ọrụ dị ka crowbars, ngwá ọrụ ike, na mkpa nke na-anwa ibibi ha, kamakwa nwee nguzogide corrosion na ogologo ogologo oge. Ihe onwunwe gị ga-enweta nchebe kachasị elu, na-echekwa nchekwa gị na udo nke uche gị.