Question

why do we use fan how to do that​

Answer 1

Answer:

What to do ?

Explanation:

Generally, we use maps as a reference to show political boundaries, landforms, water bodies, and the positions of cities. Maps also help us to know the routes of an area, landmarks, location (latitudes and longitudes) of a building or things, etc.

Answer 2

Answer:

The basic idea is that the fan blows air over a very hot heat sink.

Explanation:

I hope this helps you