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$ j2 T; A e$ A3 q. J3 ?' Y
4 p+ X& g' w+ B7 K! q公仔箱論壇the possibiolity is endless which will make it impossible to repeat the experiment. |