The US Government had serious trouble reproducing FOGBANK ( https://en.wikipedia.org/wiki/FOGBANK https://en.wikipedia.org/wiki/FOGBANK ), and one cause was tha

The US Government had serious trouble reproducing FOGBANK ( https://en.wikipedia.org/wiki/FOGBANK https://en.wikipedia.org/wiki/FOGBANK ), and one cause was that even the original chemical engineers didn't fully understand the role of a certain impurity in a material. Is it possible to produce blueprints for a chemical plant that doesn't omit some inherent but important knowledge?