Paint removal from Aluminum - Best way?

Hey folks, Im curious whats the best way to get
old paint off aluminum. Its partially flaking off but some is a little harder to get off and would like to save the aluminum as its not dented.
whats the best or proper way to do so?
Thanks for your advice in advance..

old paint off aluminum. Its partially flaking off but some is a little harder to get off and would like to save the aluminum as its not dented.
whats the best or proper way to do so?
Thanks for your advice in advance..

