Usually control surfaces, like ailerons, flaps, slats, air breaks, on the wingtips you sometimes see winglets. On many airliners the engines are also attached to the wings. On military airplanes you can find external fuel tanks and weaponry.
Aeroplanes always have alierons. They are attached to the wings to give the plane lift.
Airplane? What airplane? My paper airplane wings weigh less than 8 grams.
The importance of wings is critical to an airplane, they produce lift that can sustain the airplane in the air.
An airplane with two wings on either side is called a biplane.
They are on the wings
Neither, the wings and legs are actually attached to the thorax.
The two wings of the airplane are made of aluminum.
biplane
On the wings.
Airplane cargo
An airplane
Because they are both use for flying.