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. 5 G) q% h) A( w: @9 \
0 _/ Z+ x; G- b3 X' j公仔箱論壇the possibiolity is endless which will make it impossible to repeat the experiment. |