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Fissure of the edge from the hit

Mechanic spot load – short-term – small/medium intensity
Type of glass

Polished glass, rolled sheet glass, laminated glass, ornamental glass.

Examples

Placing on the stone or metal;

Hit to the edge by a metal object;

Wrong usage of adjusting belts of transportation constructions.

Beginning

The angle of the edge fissure in all directions, not upright;

Transference angle is not upright; the curvilinear cracks of the edge in the beginning are of different sizes, depending upon the hit force;

The clear centre in the edge.

Lines of process

Beam forms from the centre;

From direct to angular fissure lines;

Often do not last to the edge.

End

Direct lines

Other features

At the middle of the glass or last to the edge of the glass;

Clear curvilinear cracks.