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Have 가공 level > 숙련 1

Have 가공 level < 전문 2

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Have 가공 level > 숙련 1

Have 가공 level < 전문 2

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Have 가공 level > 견습 1

Have 가공 level < 숙련 2

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Have 가공 level < 견습 2

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