for the glass fragment to strike her, the glass has to be smash at a precise speed and precise angle with a precise orientation, and possibly if the glass has any pre-existing defect. 公仔箱論壇# J" Q$ w9 ` I
5 Y2 M. x: f3 b$ t公仔箱論壇the possibiolity is endless which will make it impossible to repeat the experiment. |