The correct choice is (b) 2024-T4
The explanation is: 2024-T4 is used in manufacturing several components of an aircraft like the fuselage, oil tank and wings. It is used in wing covering, wing ribs, wing leading edge, wing beams, etc. 2024-T4 is a type of aluminium alloy. It is a part of the 2000 series of aluminium alloy.