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' @- L+ {' }/ h% K- Y g& ]
* A. s% k: G5 S6 Pthe possibiolity is endless which will make it impossible to repeat the experiment. |