Even with a project like constructing custom space suits, you can still have rigorous controls. For instance, they kept track of the count of sewing pins used

Even with a project like constructing custom space suits, you can still have rigorous controls. For instance, they kept track of the count of sewing pins used to ensure none of them were left in the suit -- and all the pins used in assembly had colored heads, with a different color assigned to each seamstress.