银色的汞合金在牙科中被用于填充牙齿患病后残留的腔洞，合金包括液态的汞和粉末状的银、锡、铜、锌以及其他金属。

Dental amalgams, the silver-colored material used to fill teeth after removal of a cavity, include liquid mercury and a powder that contains silver, tin, copper, zinc, and other metals.

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主要针对不锈钢，不锈铁，铜，金，银，锌，铝合金等金属、非金属中磨至精细抛光。

It's suited for polishing the metal surface, mainly Aims at metallic and non metallic, such as stainless steel, stainless iron, bronze, golden, silver, zinc, aluminum for sanding to fine polishing.

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