1 weight 6 ping pongs with another 6 ping pongs. see which side is heavier
; H: j' K* p5 J+ g, Ctvb now,tvbnow,bttvb2 spilt the heavier side ping pongs in half and weight against each other
1 k! n+ Q" a% N, N' {& x& P( rTVBNOW 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. |