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1 S0 N2 c% c4 u! z7 T0 c
3 D& a+ q: y9 Itvb now,tvbnow,bttvbthe possibiolity is endless which will make it impossible to repeat the experiment. |