Break by the decorative frame I – in the glass pack

Mechanic evenly distributed load - medium dynamics + long-term – weak dynamics + short-term

Type of glass	Only glass pack from polished glass, rolled sheet glass, laminated glass, ornamental glass.
Examples	Too small gap between the pieces of glass when internal decorative frames are used; Huge differences of air pressure, temperature and / or height between glass pack production and the mounting place.
Beginning	Edge crack angle in all directions, not upright; Transition angle not upright; Usually it is impossible to attribute unambiguously.
Lines of process	Always last from edge to edge; Direct break lines, in the area of the edge often turning away from the decorative belt; Break parallel to the decorative frame; Often transfer of the break edges.
End	Usually it is impossible to attribute unambiguously; Direct break lines, last till the edge.
Other features	Small curvilinear cracks in the middle area; Often in the gap of the pieces of glasses; Possible to avoid, using the single safe glass or producing with a larger gap between glasses.

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