a9cc56f1____Group_15___2012___GICL_Wiki__3
[0] Propeller [1] 1 [2] 1 [4] Steel [5] Needed to withstand the high amount of RPM since it is attached to the generator. Fairly cheap. [6] Casting (with Dies) [7] Cheap method of mass production. [3] 
Acts in cooperation with the motor to provide an air flow. This provides a cooling effect inside of the saw and also helps to keep sawdust/debris from entering the internal components of the saw.
Gate 3 - Group 15 - 2012 - GICL Wiki