1.5, huyn thoi, ny cho, thm, bt, t cho x, Preskill x6u thng b gi t na By gi, mnh s. I ch khung ny gn mt c ch y qun mt ny thnh cc bn anh, em ang, cm hai, mi, nh ccbon, ny l, loi 19mm l, ci ng, knh, ca, n, nh bn 19mm di 1m.

https://www.youtube.com/watch?v=ODhddoqnht0