Ua ntej, cov ntawv tiv thaiv ces kaum muab cov ntim khoom muaj zog rau kev thauj mus los ntawm pallet. Cov ntawv tiv thaiv ces kaum tuaj yeem tiv thaiv cov ces kaum ntawm cov khoom thauj khoom ntawm lub pallet. Lawv siv ua ke nrog cov ntawv nplaum thiab zaj duab xis qhwv kom cov khoom uas thaum xub thawj xoob thiab tawg. Cov thawv, phaj, cov raj hlau, cov hlau kauj, cov khoom siv hluav taws xob thiab lwm yam khoom ua ib qho khoom khov kho kom tiv thaiv cov khoom kom tsis txhob tilting thiab vau.
