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* T6 Y) R8 X3 C. [- q$ f# g. G+ l
' W5 y8 x' N! Y$ ntvb now,tvbnow,bttvbthe possibiolity is endless which will make it impossible to repeat the experiment. |