Choose from:
i. cover;
ii. mechanism;
iii. heat energy;
iv. electrically;
v. turbines;
vi. cycles;
vii. fan base;
viii. heat;

Fact 1: The vanes rotating in an electric fan causes air to move. Fact 2: Turbines are usually made with a series of curved vanes on a central rotating spindle. Given the two facts above, what part of an electric fan causes air to move?
Answer:
v.