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Porcelain is made by combining clay with the minerals quartz and feldspar. The mixture is baked in a kiln, or pottery oven, at very high temperatures.
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The earliest Chinese paper was probably made from hemp and then the bark of the mulberry tree.
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Steel is made from iron, but it is less brittle than iron and easier to bend into different shapes.
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For several thousand years, tea—made by letting tea leaves steep in boiling water—was drunk mostly as medicine. However, by
the 8th century C.E., tea had become a hugely popular everyday beverage throughout China. -
Alchemists experimented with mixtures of natural ingredients, trying to find a substance that might allow people to live forever.
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Printers used woodblock printing to make the cards from thick paper. Famous artists drew the designs that appeared on the backs of the cards.
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coins were the only form of currency. Like game cards, paper money was printed with wood blocks.
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Rocket technology was developed in China during the Song dynasty.
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Movable type consists of separate blocks for each character. Printers made their type by carving characters out of clay and baking them to print.
