> For the complete documentation index, see [llms.txt](https://docs.settlers-united.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.settlers-united.com/settler-iv-wiki-en/production-ratios/metal-industry.md).

# Metal industry

by Phottor

**Red = Romans**\
**Green = Vikings**\
**Yellow = Mayans**\
**Blue = Trojans**\
**Purple = UBO Trojans**

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