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Closedbeta Iron working was available in Closed beta, but does not exist in the VIP version of the game. The article is being kept for historic purposes. The VIP version of Iron working can be found here.
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Iron working is a research topic which will result in better iron production empire-wide.
Name Picture Required Research Facility Time Gold Prerequisites Rewards
Iron working Iron Upgrade Research Icon (Silver) - 1:30:00 500 Mine
Mine carts
Improves iron production from Iron mines
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