Powder finish versus anodizing was an eye-opener: powder uses abundant textures and color depth
https://weekly-wiki.win/index.php/Snow_Guards,_Not_A_Surprise:_The_Century-Scale_Situation_for_Personalized_Copper
Powder layer versus anodizing was an eye-opener: powder uses abundant structures and color deepness, while anodizing discloses aluminum's metallic quality with remarkable UV durability.