An Arc Furnace is a machine used to convert Sand into Molten Silicon for the later creation of Silicon (Poly) in a Silicon Reactor. It requires Coal and Graphite while producing Slag and Exhaust byproducts. As Silicon (Poly) is a strict requirement for Electronics II, the Arc Furnace or its Arc Furnace II variant is necessary for their production.
Below are all the recipes, which this building is capable of producing. Note, that some of them may be locked behind Research, and not immediately available in your game.
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