1.   The spinning blades turn a shaft, which through a gearbox turns a generator, producing electricity that is transmitted to the electric grid.

2.   The same goes for the various flaps and covers that keep you from getting your hands and feet into the housing with the spinning blade.

3.   The tube bends beneath the heart, carrying oxygenated blood from the left ventricle into the spinning blades of the tiny pump.

4.   While a lawn mower with a spinning blade cuts it many directions at once, the cutting blades on a rotating reel move in one direction only.

5.   She was fatally injured when her father hoisted her up into his arms beneath the still spinning blades.