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.
9 {# N/ Z/ u4 p# [+ e公仔箱論壇
1 |9 [- Q4 B( z ]0 ]1 k2 H5 Ltvb now,tvbnow,bttvbthe possibiolity is endless which will make it impossible to repeat the experiment. |