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Chapter 305 - 188 Various Workshops’ Preparations
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... before, and for once showed a bewildered expression. After a while, he said helplessly, "Even if the wastewater from refining iron ore is not discharged into the river, it might still end up in the river if we discharge it somewhere else!"
"I have a solution you can try," Maximus said confidently. "Dig several big pits next to the Iron Workshop, and place some charcoal at the bottom of the pits. Discharge the wastewater from iron refining into the first pit, let it settle for a while, th ...
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