Side top quality is whatever: deburring, cleaning

https://telegra.ph/Dormers-That-Dont-Trick-The-100-Year-Efficiency-of-Customized-Copper-by-Salvo-Metal-Works-07-04

Side quality is everything: deburring, brushing, and micro-grain sanding prepare surface areas so finishings bond uniformly and revealed joints review as refined, continual planes.