character: Empress Si-Lin
topic: Silk Production Techniques
grade: 6
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character: Empress Si-Lin
topic: History of Silk in Ancient China
grade: 6
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character: Silk Worms
topic: Lifecycle of Silkworms and Silk Production
grade: 6
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character: Ancient Chinese Artisans
topic: Traditional Methods of Weaving Silk
grade: 6
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