This is the next Economic Policy which enhances Adjacency bonuses, this time for the Industrial Zone. It is also quite an important and useful one, since the Zone is one of the most important districts, and it is usually easy to provide it with Adjacency bonuses. When you add the bonus from Craftsmen, you will get a considerable boost to all File:Civ6Production.png Production in cities with Industrial zones! Use it well to advance your construction projects, build Wonders, enlarge your army, etc.