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.
i/ @; d7 g% K. F; mtvb now,tvbnow,bttvb. |- G; h% u7 b) F8 y) Z" {4 s( `3 e/ M
the possibiolity is endless which will make it impossible to repeat the experiment. |