Letter scale

A letter scale is a weighing scale used for weighing letters in order to determine the correct amount of postage. Until the 1990s most letter scales were mechanical, but today electronic scales are the most common.

Article Comparing and explaining letter scales

单词	Letter scale
释义	Letter scale 英语百科 Letter scale A letter scale is a weighing scale used for weighing letters in order to determine the correct amount of postage. Until the 1990s most letter scales were mechanical, but today electronic scales are the most common. Article Comparing and explaining letter scales
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