Abstract
News editors obtained the following quote from the background information suppli ed by the inventors: “A wing of an aircraft typically includes a torsion box com prising upper and lower aerofoil covers (or skins) on either side of a structura l frame comprising spanwise spars and chordwise ribs. At least one spar is provi ded for each wing, although two or more is common. In an aircraft wing, the tors ion box is commonly known as a wing box. The covers may be reinforced with strin gers, which extend generally spanwise.
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