1. Ọnụ ọgụgụ buru ibu nke cores, ihe niile na-egbochi mmiri akọrọ, enweghị mmanụ na-ejuputa, dị ọcha na ngwa ngwa n'oge a na-ewu ụlọ, na enweghị mmetụta na gburugburu ebe obibi.
2. High modulus glass fiber mesikwuru plastic mkpanaka (FRP) Central mkwado.
3. Longitudinally ọbọp abụọ-kwadoro film kpuchie corrugated ígwè teepu ihe agha ike n'ụzọ dị irè melite mpụta mgbali iguzogide nke ngwa anya USB.