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.
2 O A4 E, Z+ Z; f( [1 Z$ A2 c
. a+ f. r N; B/ j$ `4 _$ tthe possibiolity is endless which will make it impossible to repeat the experiment. |
發表於 2011-6-24 10:11 PM
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