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 i6 j9 f* Y% Z- q: e0 c
) D( d' o$ a2 h/ B% k3 ? y公仔箱論壇the possibiolity is endless which will make it impossible to repeat the experiment. |