Today, go to the jewelry store to refurbish the gold necklace. Before the renovation, weighs 16.5 grams. After the renovation, the weight of agate granules is loaded into a container with agate particles and then weighs 16.29 grams. How can there be a loss of 0.21 grams?
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Exactly there will be, but it is minimal.
The gold jewelry before polishing has been worn because of being worn. The previously weighed gram can only be regarded as "gross heavy", that is, the inaccurate and high weight of the gram of gram.
Mepatonous gold jewelry was cleaned and polished by "high temperature" burning this process (except for inlaid and yellow K gold removal), and the dirt that could not be seen in the gaps of the gold jewelry could be cleaned. This process of this process. After that, the gram of gram of grant can be regarded as the more accurate gram of gold.
It is not a big loss for throwing the opportunity of polishing, and the loss is poor, even if it is put in an electronic scale, it may not be called.