Pullwinding carbon fiber tubes, mere site pultrusion usoro na ọtụtụ elu arụmọrụ dị ka obere njupụta, mgbochi corrosion, elu ike, nkenke akụkụ, na-ọtụtụ ebe na-eji ụgbọ ala, aerospace Ngwa, egwuregwu ngwongwo na RC mgbakọ njikọ.