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Wacky WorldMoney
Merchants in Sichuan used jiaozi notes in the 11th century, and the Song government later issued them officially.
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Wacky WorldMoney
Merchants in Sichuan used jiaozi notes in the 11th century, and the Song government later issued them officially.
Bones are stronger than steel of the same weight.
Weight for weight, bone is remarkably strong, especially under compression, because of its mix of collagen and mineral.