Intarsia is a form of wood inlaying that is similar to marquetry. These consisted of casting, chasing, engraving, gilding, inlaying, stonesetting and others. Many brooches and buckles were decorated by techniques including casting, engraving and inlaying. They could be made using a variety of techniques, including casting, inlaying or engraving. He employed craftsmen on cameo-cutting, inlaying of metals and enamelled glass. First, it created the decoration craft of engraving and inlaying on the pen-holder. Homer also mentions the inlaying of the woodwork of beds with gold, silver, and ivory. Especially the art of inlaying lacquer with mother-of-pearl was intensively developed during the Song dynasty. These would then be decorated with gold and silver through the technique of inlaying. This includes a range of pre-cut pieces ready for inlaying into the black marble background. This technique would bypass the earlier method of inlaying, especially when it came to silver. The sanggam inlaying also started at this age. The final stage of Turquoise Inlaying is burnishing which is done in two stages itself. Inlaying techniques reach its height and opens a second zenith of Goryeo celadon.