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- The Evolution of Mechanical Hanging Scales: A Historical OverviewA mechanical hanging scale is a device used to measure the weight of an object by suspending it from a hook or a similar support structure. The scale typically consists of a graduated dial or scale that displays weight in either kilograms, pounds, or other units of measurement. When an object is attached to the hook, its weight causes a spring inside the scale to stretch, with the amount...0 Комментарии 0 Поделились 228 Просмотры
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