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Scales
Gram scales and carat scales are
important to measure gold and silver and widely used to buy sell and trade in
the jewelry business. In the medieval times they would use a
coin or metal object as measuring. Now technology has made accuracy in small
portable packages possible. Modern
scales have many features to make things easy including auto calibration, one
button tare, and usually several different weight measuring including gram, Oz
, OzT , ct, and even dtw pennyweight.