Hi I want to remove some decals under a clearcoat which lies on top of brushed aluminum. I was wondering how I can do this without harming the aluminum. And how I can reapply the clearcoat so there is a nice clean look. Would I have to remove all the clearcoat from the pannel or can I remove a portion of the clear coat and reapply. And what is the best/longlasting clear coat to use? Thanks