Glazes, frits, paints, stains including ceramic stains, ceramic colours for use in printing including screen printing on porcelain, earthenware, glass and vitreous enamel; decorating colours, fusible colours for silicate-based substrates, lustres, organic glass colours; metal preparations for decorating including precious metal preparations for decoration of ceramic objects and glass; chemical preparations used to produce conductive layers on ceramic objects and glass; the aforesaid goods not being for direct application to walls, ceilings or floors