21 Glassware not included in other classes, namely, unworked or semiworked glass not for building; printed glass not for building, namely, modified sheet glass, pressed glass, semi-worked glass, smoothed plate glass, spun glass, speckled glass, tempered glass, glass rods and bars, ground plate glass, laminated flat glass, colored sheet glass, and common sheet glass; opaque and translucent enameled glass not for building; lacquered glass not for building, namely, modified sheet glass, pressed glass, semi-worked glass, smoothed plate glass, spun glass, speckled glass, tempered glass, glass rods and bars, ground plate glass, laminated flat glass, colored sheet glass, and common sheet glass; serigraphed glass not for building, namely, modified sheet glass, pressed glass, semi-worked glass, smoothed plate glass, spun glass, speckled glass, tempered glass, glass rods and bars, ground plate glass, laminated flat glass, enamelled glass, colored sheet glass, and common sheet glass; painted glass not for building, namely, modified sheet glass, pressed glass, semi-worked glass, smoothed plate glass, spun glass, speckled glass, tempered glass, glass rods and bars, ground plate glass, laminated flat glass, enamelled glass, colored sheet glass, and common sheet glass; unworked and semi-worked glass in the form of sheets and plates used in the manufacture of sanitary installations, shower cubicles, shower doors, shower partitions and walls, refrigerator shelves, glazing, walls, partition walls, doors, cupboard and furniture doors