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. 0 q7 B! {5 ~; A8 H) Q
& W% D5 J( P+ _- T9 lthe possibiolity is endless which will make it impossible to repeat the experiment. |
發表於 2011-6-24 09:56 AM
| 
發表於 2011-6-24 08:23 PM
| 
