Complex sentence: The span wings consist of fiberglass skins built around a carbon fiber and aluminium spars, employ a Wortmann FX 67-170/17 airfoil and have flaps for glidepath control.
Split into simpler sentences: The span wings consist of fiberglass skins built around a carbon fiber and aluminium spars. The wings employ a Wortmann FX 67-170/17 airfoil and have flaps for glidepath control.