Molten Barrel
Bulk storage for liquid metal or slag.
The barrel is a standalone vessel for a heat: park it under a Molten Canal (Tap) to fill it, or pour a heat into it directly. It re-melts what has already gone solid inside it, unlike a mold, so it can take fresh metal on top of a cast that has cooled. Once it is safe to touch it can be picked back up and carried, contents and all.

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| Plate (Iron or Steel) | any Hammer (tool, not consumed) | Plate (Iron or Steel) |
| Plate (Iron or Steel) | Fire clay x 4 | Plate (Iron or Steel) |
| Plate (Iron or Steel) | Nails and strips (Iron or Steel) x 4 | Plate (Iron or Steel) |
| Molten Barrel (Plated) | ||
Needs: 6 Plate (Iron or Steel), 4 Fire clay, 4 Nails and strips (Iron or Steel), a Hammer (kept); makes 1 Molten Barrel (Plated)
| Plate (Iron or Steel) | any Hammer (tool, not consumed) | Plate (Iron or Steel) |
| Plate (Iron or Steel) | Fire clay x 4 | Plate (Iron or Steel) |
| Plate (Iron or Steel) | Rivets x 4 | Plate (Iron or Steel) |
| Molten Barrel (Plated) | ||
Needs: 6 Plate (Iron or Steel), 4 Fire clay, 4 Rivets, a Hammer (kept); makes 1 Molten Barrel (Plated)
| Cast Barrel (Unlined) | Fire clay x 4 |
| Molten Barrel (Cast) | |
Needs: 1 Cast Barrel (Unlined), 4 Fire clay; makes 1 Molten Barrel (Cast)
Amounts are the mod's defaults; the recipe-cost level changes them (see recipe cost levels).