爆竹
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爆竹者，所以避邪，復彰吉慶者也。俗習燃之。其化學之理甚簡，亦省作「一硫二硝三木炭」。以其封閉而速釋氣，故表之以爆炸。
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影響
爆竹產二氧化硫於大氣，故空氣是濁。其原料硫黃，屬易製爆品，受嚴格管制。亦常有爆竹廠失火，多有受其害者，若截肢者，若眇目者，若焚身者。
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