Part F : Blades
There are three types of blade using for Multi-spinner that can perform different jobs. These blades is connecting to the motor through gears. There are many problems encounter to do the blade:
First problem : The duster are is not spinning.
Solution : The gap was mad between duster and table, therefore the duster are able to spin.
Second problem : The wind blow when cool the laptop is not really satisfied.
Solution : The wide bladed is made from sponge, so that it is light, safe, and can produce more wind blow.