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Chapter 19 – Iron smelting experiment
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Chapter 21 – Evolve into Big Goblin
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... heat.
The larger the blast furnace, the easier it is to store heat, and the higher the pressure will be.
Higher pressure can lower the melting point of iron.
If the blast furnace is too small, the heat will quickly dissipate through the furnace walls.
If the wind power is insufficient, it's also difficult to quickly raise the furnace's temperature to 1300 degrees.
"Boss, is it ready?"
The goblin pulling the bellows was drenched in sweat.
No ...
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