Powder finishing versus anodizing was an eye-opener: powder supplies rich structures and shade deepness

https://www.scribd.com/document/1041055982/Finials-That-Last-The-100-Year-Trajectory-of-Customized-Copper-Details-196087

Powder covering versus anodizing was an eye-opener: powder supplies abundant textures and shade deepness, while anodizing exposes light weight aluminum's metal quality with outstanding UV longevity.