Answer:
A windmill.
Explanation:
A mechanical device which consist a grooved wheel which is turned by the chord or chain which is attached through axle with a supporting standard.
It consists a hinge or a bearing which support the axle and help in rotation.
There are the few examples of the wheels and axles are bicycle tire, fans, a windmill etc.
In the given problem seesaw does not contain wheel, an axe does not contain wheel and screw does not contain axle.
Therefore a windmill is a tool which is of wheel and axle.
