VE has been used plenty to develop and improve products, to improve infrastructures and construction projects, as well as to optimize business processes. But the industrial processes can also benefit from the VE advantage: why are these steps necessary? How are they achieved? What else can be done?... A short presentation will explain how to use the methodology in such a context of the Mining industry and transformation industry. A typical functional diagram will be presented. Then, a few heavy industry processes will be presented with before and after situations.