| fineness |
Microns are a scientific and objective measurement of fineness. Show ring measurement is subjective. It takes practice feeling fleece to become proficient.
출처: www.pygoragoats.org/PBAcolordefinition.html
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| fineness |
Indicated proportion of pure metal in gold or silver. Fineness is usually expressed in thousandths; that is, pure metal is 1.000; US gold is .900 fine.
출처: www.goldrushgallery.com/dahlmint/minting_terms.htm...
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| fineness |
The purity of precious metal measured in parts per thousand.
출처: www.silverusersassociation.org/resources/glossary....
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