Furnace
熔炉
Smelts ores into processed materials. Requires coal as fuel.
Stats
| Category | Processing |
| Unlocked At | T-4 |
Inputs
- Ore
- Coal (fuel)
Outputs
- Processed material
⚠️ Special Rules
- 1 coal = 10 seconds burn time
- Stops working when out of fuel
Tips
- Keep a coal buffer to prevent production halts
- 1 Miner + coal supply can run 2 Furnaces