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Dueld taJoot (talk | contribs) |
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- terraced agriculture and irrigation, <br> | - terraced agriculture and irrigation, <br> | ||
- earthquake/storm-resistant architecture, <br> | - earthquake/storm-resistant architecture, <br> | ||
- mining which | - mining which caused the minimum possible disruption of other surface uses, <br> | ||
- ships which made the best possible use of rare timber and metals, <br> | - ships which made the best possible use of rare timber and metals, <br> | ||
- technology for navigation and cartography, <br> | - technology for navigation and cartography, <br> |
edits