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... the ash chamber of the furnace, which can also be used to ventilate and increase the fire.
Then he goes to the side, using normal dirt and mud.
Put the reconciled mud around the edge of the furnace, build it up in a circle, and the body of the furnace gradually rises.
Fang Chang also brought firewood and firewood to make a fire bow, lit a fire in the furnace to speed up the drying of the furnace, and at the same time continued to add mud to the blast furnace body. It ...
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