Tsis Siv Neeg Hmoov Weighing Packing Tshuab

1) Cov khoom siv thauj khoom, ntsuas, ntim, ntim khoom, hnub luam ntawv, cov khoom tiav tiav tag nrho cov khoom tiav tiav.
2) Kev ntsuas qhov tseebthiab kev ua haujlwm siab.
3) Packing efficiency yuav siab nrog ntsug packing tshuab thiab yooj yim rau kev khiav lag luam.