Simply put, enameling is the technique of applying glass (in powdered form) onto metal or porcelain through the use of heat. Enamel powders are general rinsed, sifted, and packed during the enameling process, then fired in a kiln or in some cases, with a torch. Enamels can be layered onto metal or put into segments divided by thin metal strips, which is known as cloisonné. Other types of enameling techniques include champlevé, which involves enameling within the groves or etched low areas in metal; bàsse-taille, in which a design is carved or etched in metal and then covered with transparent enamels to highlight that design; and plique a jour, in which filigree metal is filled in with transparent enamels but not backed, so that light shows through the enameled spaces, similar to stained glass.

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