The element (1) has a first transparent panel (2) and a second transparent panel (3) fixed at one another. The transparent panels comprise shoulders (6, 7) placed in a thickness direction, where the shoulders rest against the second panel. The panels are formed of two different transparent materials. The material of the second panel is a transparent polymeric material i.e. polycarbonate, which has less dense than glass. The first panel is formed by laminated glass including a glass leaf (8) and a guide sheet layer (9) and made of thermoplastic polyurethane.
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