Blast Furnace TerraFirmaCraft Wiki
The Blast Furnace GUI can be opened by right clicking the Blast Furnace block. Temperature Gauge: This shows the current temperature of the Blast Furnace. The temperature can be raised by adding more coal or by attaching a bellows to either side of the Blast Furnace and pumping it. Ore: How much unmelted ore is present in the Blast Furnace.