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I'll give it a shot.Can I get the Cliffs Notes for this post?
1) Production lines are based on a progression of hard automation steps.
2) Once the steps and order are defined, process capability is also defined,
3) This line is a big investment. Once this big investment is made, marginal returns are perturbations. This guides additional investment along the same path, thus limiting improvement until one is willing to reinvest the original start up cost of a new line.
4) Modular arrangements scale better as the unit of scale is not the line, but the module.
5) The new Tesla equipment is designed to support changes in mix and quantity with more flexibility than a traditional production line.
6) The key is soft automation.