Hey guys...!
Do you know why celling fan's have only 3 blades ? Or What is purpose of Celling fan's ?
Celling fan do not Lower down the temperature in our rooms it cool us by increasing the movement of air or airflow in room. Hence our body sweat evaporates and we fell comfortable and cool.
Generally in America or in other countries fan's have 4 blades and they use it for the purpose of air conditioner or supplement for AC.
In india we use celling fan which have 3 blades because because it is light weight than the other fan's so it rotate faster than other fan's hence we mostly use fan's which have 3 blades.
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