Edge high quality is every little thing: deburring, brushing

https://www.scribd.com/document/1039869947/Salvo-Metal-Works-and-the-Truth-of-Copper-Personalized-Chimney-Shrouds-that-Endure-183965

Side quality is whatever: deburring, cleaning, and micro-grain sanding prepare surface areas so coatings bond equally and subjected joints review as refined, constant aircrafts.