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. 1 K$ s+ _6 D% q- C9 q5 r
8 W) S9 M# g6 m! |' @, l公仔箱論壇the possibiolity is endless which will make it impossible to repeat the experiment. |