Article
使墨水不滲散 - how to prevent ink from spreading

Column title: 常識 - Common Knowledge
Subject matters: 新知 - new knowledge,
Language level: Baihua

Keywords: general knowledge,

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Article
久藏鮮蛋法 - fresh egg storage

Column title: 常識 - Common Knowledge
Subject matters: 新知 - new knowledge,
Language level: Baihua

Keywords: general knowledge,

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Article
廢物利用四則 - four cases of the utilization of waste

Column title: 常識 - Common Knowledge
Subject matters: 新知 - new knowledge,
Language level: Baihua

Keywords: general knowledge,

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