The bravery inside enamel: the enamel of bravery surface is metalloid material inside, both neither is rusty, also do not have furring, have stronger compression capacity.

搪瓷内胆：内胆表面的瓷釉为非金属材料，既不生锈，也无水垢，有较强的耐压能力。

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A white spot appears on the enamel where the tooth has started to weaken inside.

牙釉上有个白色斑点，对牙齿内部的保护就减弱。

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Inside the enamel is the dentin.

珐琅质所包覆的便是牙本质。

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In a small pottery studio in Longton, Stoke-on-Trent, the steady hand of Peter Graves, 64, adds the finishing details to a delicately-painted picture of a ship inside an enamel box.

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Eden Foods, an organic food supplier based in Michigan, has long used cans with an oily enamel baked on the inside that's derived from pine and balsam fir.

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