Hands To Wave


 I have hands that wave at you, 
Though I never say goodbye. 
It's cool for you to be with me, 
Especially when I say, "HI." 

What am I? 
   |
   |
   |
   |
   |
   |
   |
   |
   |
   |
   |
   |
   |
   |
   |
   |
   |
   |
   |
   |
   |
   |
   |
   |
   |
   |
   |
   |
   |
   |
   |
   v
Answer:
An electric fan.