Powder finishing versus anodizing was an eye-opener: powder uses rich structures and color depth

https://www.scribd.com/document/1041762894/Cupolas-with-a-Century-in-Mind-The-Instance-for-Hand-Fabricated-Copper-Craft-224458

Powder finishing versus anodizing was an eye-opener: powder supplies abundant structures and color depth, while plating reveals aluminum's metallic quality with exceptional UV resilience.