Last Updated:2025/11/20

The blacksmith decided to anneal the hardened blade by heating it to a dull red and allowing it to cool slowly to reduce brittleness.

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The blacksmith decided to anneal the hardened blade by heating it to a dull red and allowing it to cool slowly to reduce brittleness.

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鍛冶屋は鋼の刃を脆くならないようにするため、高温に加熱してからゆっくり冷却する熱処理を施すことにした。

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