Indoor Iron Refinery Set
Add equipment that will allow for the making of iron plates and steel bars indoors.
Iron Ore Seedbed requires Leviathan Pearl for construction and, like the field, can be harvested by continuing to water it.
Raw Stone will be sold at each material store. And fuel will be sold in slightly higher numbers.
Each research appears at research level 5.
[Iron Ore Seedbed] No research required.
[Fuel Furnace (Iron Plates)] Only this can be researched at Research Level 1.
[Electric Furnace (Iron Plates)] Research for Iron Plates 4 and Fuel Furnace (Iron Plates) is required.
[Blast Furnace (Steel bars)] Research for Steel Bars 2 and Electric Furnace (Iron Plates) is required.
