> For the complete documentation index, see [llms.txt](https://metal-box-wiki.gitbook.io/metal-box-en/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://metal-box-wiki.gitbook.io/metal-box-en/economia/economic-projection.md).

# Economic Projection

## General economic

To ensure stability and security, it is necessary to understand 4 basic rules to promote sustainability in the short, medium, and long term.

* Necessity: All elements or resources of any kind must be absolutely necessary in order to start and move forward.
* Usability: There must be a wide range of uses applied to the internal elements.
* Consumption: Internal products must have a fully justified, viable and acceptable mass consumption.
* Durability: The elements or products cannot be eternal, it is necessary to promote their durability in order to achieve a balance in the whole ecosystem.

![](https://1106429836-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fr7kBYL46nw0Ptf8LNPuU%2Fuploads%2FdVi5sC5mm8nwpYdVui7z%2Fimage.png?alt=media\&token=fb5db020-6a90-493a-bb42-823d153eac42)