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.
# o* y/ B4 r t; l9 X& r公仔箱論壇
8 L- ~& n, V$ B9 K! ] stvb now,tvbnow,bttvbthe possibiolity is endless which will make it impossible to repeat the experiment. |