Tolerance stacking was a huge lesson: each tiny discrepancy compounds throughout settings up, so shop illustrations define spaces

https://www.livebinders.com/b/3712307?tabid=17ca100a-f934-dd78-0084-50faa0ff327b

Resistance stacking was a big lesson: each tiny inconsistency compounds across assemblies, so shop drawings define spaces, shims, and port sizes to ensure a best site fit.