1 weight 6 ping pongs with another 6 ping pongs. see which side is heaviertvb now,tvbnow,bttvb5 D' Y/ l2 T0 B2 E# ^. @0 T
2 spilt the heavier side ping pongs in half and weight against each other
* B, o" z( f. G( PTVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。3 weiht either ping pongs one on one then you will know which is the heavy one. |