21 Mouth-blown glassworks or other glassworks, including, household or kitchen containers of glass or crystal and other materials other than precious metal; unworked or semi-worked glass (except glass used in building); glassware, porcelain and earthenware not included in other classes; glasses; glass tumblers, water glasses, and stemware; bottles; tea services of glass or crystal; teapots of glass, crystal and other materials other than precious metal; goblets of glass, crystal and other materials other than precious metal; figurines and statuettes of crystal or glass, bottles of glass or crystal, terra-cotta or glass; enamelled glass; refrigerating bottles; coasters of glass or crystal; soup or serving bowls of glass or crystal, and other materials other than precious metal; coffee services of glass, crystal and other materials other than precious metal; receptacles glass; opal glass; drinking glasses; crystal (glassware); saucers of glass and other materials other than precious metal; cruet stands for oil and vinegar of glass and other materials other than precious metal; table plates of glass and other materials other than precious metal; napkin rings of glass and other materials other than precious metal; knobs of porcelain; trays for domestic purposes of glass and other materials other than precious metal; painted glassware; butter dishes of glass; drinking vessels; powder compacts of glass and other materials other than precious metal; perfume sprayers of glass; cabarets trays of glass and other materials other than precious metal; services tableware of glass and other materials other than precious metal; liqueur sets; dishes of glass and other materials other than precious metal; salad bowls of glass and other materials other than precious metal; vegetable dishes; basins bowls; fruit cups; cups of glass and other materials other than precious metal; sugar bowls of glass and other materials other than precious metal; salt cellars of glass and other materials other than precious metal; salt shakers of glass and other materials other than precious metal; glass for vehicle windows semi-finished product; glass vials receptacles; boxes of glass; glass bowls; glass jars carboys; glass caps; glass stoppers; cheese-dish covers; perfume vaporizers; opaline glass; holders for flowers and plants flower arranging; toothpick holders of glass and other materials other than precious metal; candlesticks of glass and other materials other than precious metal; fused silica semi-worked goods other than for building; glass flasks ; works of art, of porcelain, terra-cotta or glass; vases of glass and other materials other than precious metal; tankards of glass and other materials other than precious metal; jugs of glass and other materials other than precious metal; beer mugs; and vases