Translations:Arc Furnace (GregTech 5)/8/en

In certain cases, the original ingots are not returned. Wood, Rubber, and Plastic burn into Ashes, Copper is cooked into Annealed Copper, and very importantly, Iron is cooked into Wrought Iron. This Iron -> Wrought Iron conversion is extremely useful, as it is both faster and more energy efficient than cooking Iron Nuggets into Wrought Iron Nuggets, and Wrought Iron is a better metal both for and for.