![A common rule [...] is to detect and fix any problem in a pr...](https://images-na.ssl-images-amazon.com/images/I/51T8G2JZmmL._SL200_.jpg)
A common rule […] is to detect and fix any problem in a production process at the lowest-value stage possible.
Big problems always start as small problems upstream.
A common rule […] is to detect and fix any problem in a production process at the lowest-value stage possible.
Big problems always start as small problems upstream.