Resistance stacking was a big lesson: each small variance compounds throughout settings up, so shop illustrations specify spaces

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

Tolerance piling was a big lesson: each small discrepancy compounds throughout assemblies, so shop illustrations define gaps, shims, and port lengths to make sure an ideal site fit.