40d:Furnace

A furnace is a building used to heat materials. It can be powered by fuel or, in the case of magma furnaces, by the heat from magma. Every furnace must be built from fire-safe materials. Magma furnaces must also be placed with one of their edge tiles above magma with depth of 3 or more; this can be accomplished by digging a channel for the magma. Other than these requirements, they are identical to workshops.^{v0.23.130.23a}

Wood furnace

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Materials used – wood
Items made – ash, charcoal

Smelter

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Materials used – Ore, flux, fuel
Items made – metal bars

Glass furnace

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Materials used – Sand, Rock crystal, Pearlash, Charcoal, Coal
Items made – Green glass, Crystal glass, Clear glass

Kiln

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Materials used – Potash, Charcoal, Coal
Items made – Pearlash

Magma smelter

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Materials used – metal ores, flux, fuel for pig iron and steel
Items made – metal bars

Magma glass furnace

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Materials used – Sand, Pearlash, Rock crystal
Items made – Glass objects

Magma kiln

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Materials used – Potash
Items made – Pearlash

V · T · E Buildings
Workshops • Furnaces
Rooms	Barracks • Bedroom • Dining room • Jail • Meeting hall • Office • Sculpture garden • Tomb • Zoo
Furniture	Animal trap • Anvil • Armor stand • Bed • Bin • Bucket • Cabinet • Cage • Coffin • Container • Restraint • Seat • Statue • Table • Weapon rack
Access	Door • Floodgate • Bars • Grate • Floor hatch • Bridge • Road • Window
Constructions	Fortification • Floor • Stairs • Ramp • Wall
Machine & Trap parts	Axle • Gear assembly • Millstone • Screw pump • Water wheel • Windmill • Lever • Pressure plate • Trap • Support
Other Buildings	Archery target • Kennel • Shop • Siege engine • Trade depot • Wagon • Well
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