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Chapter 139 - 135: Improvement
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PREVIEW
... various weapons and tools, whereas copper is cast with molten copper.
However, casting itself is a hassle. Not to mention how to extract the molten copper from the high-temperature earthen furnace and pour it into molds promptly. In the current cold winter, the frigid air would immediately cool the molten copper upon contact, making casting even more challenging.
"Alas, what a pain!"
It was only now that Austin recalled the video he watched in his previous life. In it, th ...
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