Tolerance piling was a huge lesson: each little variance compounds throughout settings up, so shop illustrations define voids

https://www.mediafire.com/file/v57m6ac8gqf9t9h/pdf-71069-40179.pdf/file

Resistance piling was a huge lesson: each small inconsistency compounds across assemblies, so store drawings define spaces, shims, and slot sizes to guarantee a perfect site fit.