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.
, ~+ h E0 q! s' Wtvb now,tvbnow,bttvb
# J, W( S% c2 B+ f公仔箱論壇the possibiolity is endless which will make it impossible to repeat the experiment. |