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Acupuncture is a form of alternative medicine in which thin needles are inserted into the body. It is a key component of traditional Chinese medicine.
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a fine, strong, soft, lustrous fiber produced by silkworms in making cocoons and collected to make thread and fabric.
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Porcelain is a ceramic material made by heating materials, generally including kaolin, in a kiln to temperatures between 1,200 and 1,400 °C.
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A compass is an instrument used for navigation and orientation that shows direction relative to the geographic cardinal directions.
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material manufactured in thin sheets from the pulp of wood or other fibrous substances, used for writing, drawing, or printing on, or as wrapping material.
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the clock operated with water steadily dripping on a wheel that made a full revolution every 24 hours.
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Chinese alchemist looking for the secret to eternal life accidentally discovered gun power.
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The toothbrush is an oral hygiene instrument used to clean the teeth, gums, and tongue. It consists of a head of tightly clustered bristles mounted on a handle which facilitates the cleaning of hard to reach areas of the mouth.
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a hot drink made by infusing the dried, crushed leaves of the tea plant in boiling water.
