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/ ~4 _$ m' f: F3 Ftvb now,tvbnow,bttvb
: H5 K6 s% D# O+ y0 E公仔箱論壇the possibiolity is endless which will make it impossible to repeat the experiment. |