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 B4 ~: Y: T! p& B) S" g+ G
9 R1 K; a7 f) K4 g0 U. Kthe possibiolity is endless which will make it impossible to repeat the experiment. |