21 Household or kitchen utensils and containers; unworked or semi-worked glass, except glass used in building; glassware, porcelain and earthenware not included in other classes; glassware; glass bottles; flasks; refrigerating bottles; sports bottles sold empty; thermally insulated flasks for household use; tableware; glass tableware; kitchen utensils; glass kitchen utensils; cooking pot sets; glass cooking pot sets; glasses (receptacles); glasses (receptacles) made of opal glass; beverage glassware; jars being kitchen utensils; crystal (glassware); hand cut crystal glassware; glassware of opaline glass; glass jugs; glass jars (carboys); goblets; demijohns; pouring spouts; boxes of glass; glass spheres; glass plates; glass mugs; glass cups; glass pans; preserve glasses; glass jars; jars for household use; glass vases; planters of glass; glass ornaments; glass candlesticks; cruets; sugar bowls; glass lids; glass stoppers; cheese-dish covers; sculptures made from glass, porcelain, ceramic or earthenware; works of art of glass; painted glassware; glass vials [receptacles]; glass for vehicle windows (semi-finished product); mosaics of glass, not for building; glass incorporating fine electrical conductors; plate glass (raw material); glass, unworked or semi-worked, except building glass; glass signboards; pressed glass; spun glass; semi-worked glass; enamelled glass; porous glass; anti-reflecting glass; fused silica [quartz], semi-worked, for use in manufacture; stamped glass; opaline glass; opal glass; semi-worked coloured glass; powdered glass for decoration; profiled glass, semi-finished; smoothed plate glass; polished plate glass; plate glass being unworked; plate glass for cars; glass for vehicle windows (semi-finished product); semi-finished safety glass; decorative glass, not for building; decorative boxes of glass; tempered glass, not for building; laminated glass, other than for building; luminous glass, not for building; heat reflecting glass, semi-worked; fritted glass