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Chapter 331: Iron-oxidizing bacteria
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Chapter 333: Iron Axe
PREVIEW
... yard space, Hei Wa was digging a hole.
Han Cheng was nearby, using the soil dug up by Hei Wa to mix with water and mud.
They were planning to rebuild a kiln or a forge here.
The earthen kiln by the river outside the Green Sparrow tribe was suitable for firing pottery and tiles, but it was too large for charcoal fire to smelt iron.
Digging soil, stacking ventilation holes... everything went smoothly. In half a day, a brand new small furnace was built.
Flame ...
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