Others also read

| Windows and, generally, glass allow you to see and to be seen. However, sometimes it may be desirable to be shielded from view. Liquid crystal glazing is a perfect alternative to conventional curtains in a variety of contexts.
| Insulating glass panes of 5.0 x 2.3 m made of twice-laminated glass 16 mm thick and weighing about 925 kg had to be installed at a height of up to 45 meters as well as 18 mm thick enamelled special glass plates for the tower facing - and this in the 9° upward-sloping tower.