Technology/Structure Improvement/4
| Structure Improvement 4 | ||
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| (Technology - Architecture) | ||
| Research | ||
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| Time | ||
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Description
Uses
Research Costs
- 4 concrete
- 5 steel sheeting
- 5 black raeli tiles
- 5 nickel sheeting: hard stainless
- 5 sun steel sheeting: hard stainless insulative
Prerequisites