Οι παραγγελ?ες που περι?χουν ΧΑΡΤΟΚΙΒΩΤΙΑ & ΑΕΡΟΠΛ&Alph

Early aircraft, such as airships, normally utilized flexible doped aircraft material covering to provide a reasonably clean aeroshell stretched more than a rigid frame. Afterwards aircraft employed semi-monocoque approaches, exactly where the pores and skin from the plane is stiff more than enough t