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Scale is also known as "weighing". weighing apparatus. Alternatively, instruments that measure weight with unequal arms can be referred to as scales, or it can refer to a lifting bar scale that measures the weight of an object by observing the scale star, or a single finger scale bar. During the Warring States period, there were already unequal arm scales. There is no consensus on when domestic pole scales began. The unearthed bronze weighing pole of the King of Chu, with a scale of ten equal parts, is speculated to be a symbol for hanging weights and heavy objects in different parts during weighing, and is likely a type of weighing instrument that appeared during the transition from an equal arm balance to a pole scale. After the Eastern Han Dynasty, it evolved into a scale that looks at weight from the stars.
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