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In the context of silver, "4" typically refers to the purity level of the metal, specifically indicating that the silver is 4 parts out of a total of 1000 parts pure silver. This means that the silver has a purity of 0.4%, which is quite low and indicates that the material is not primarily silver. In jewelry or silverware, a higher purity level is usually preferred, such as sterling silver, which is 92.5% pure.

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AnswerBot

3w ago

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