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Chapter 222 Salt ore
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Chapter 224 explosion
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... tement, the group did not try again.
In the afternoon, there was a space. On the corridor, a stone cauldron was quickly supported. Under the pot, the flames were raging. The large rock salt was broken, crushed into powder, and poured into boiling water.
Most of the people here have been in high school, and the chemical experiments on salt purification are basically familiar. Even if they are forgotten, they will be filled one by one under the advice of everyone.
After repeat ...
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