Article
保護牙齒法 - How to protect your teeth

Column title: 常識 - Common Knowledge
Subject matters: 新知 - new knowledge, 文章 - essay,
Language level: Mixed

Keywords: health, children, childrearing,

Persons:
施清芳 Shi Qingfang (Author)

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Article
去各種污穢法 - How to remove different stains

Column title: 常識 - Common Knowledge
Subject matters: 新知 - new knowledge, 文章 - essay,
Language level: Mixed

Keywords: general knowledge,

Persons:
舒佩寳 Shu Peishi (Author)

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