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) t$ Y, @( z9 |2 p- O
7 z9 f% c3 N2 P$ Q- wtvb now,tvbnow,bttvbthe possibiolity is endless which will make it impossible to repeat the experiment. |