Niaj hnub no, yuav muaj ib lub tshuab nqa khoom siv txiab (scissor platform lift) raug xa mus, thiab yuav tsum ua tib zoo thauj mus rau hauv lub thawv. Peb pab neeg tab tom saib xyuas cov txheej txheem thauj khoom kom ntseeg tau tias txhua yam khoom siv tau khi ruaj khov kom tiv thaiv kev raug xwm txheej thaum thauj mus los. Qhov kev xa khoom tseem ceeb no qhia txog peb txoj kev cog lus rau kev muab cov khoom siv nqa khoom zoo, kom ua tau raws li qhov xav tau ntawm kev ua lag luam.
Lub sijhawm tshaj tawm: Lub Kaum Hli-30-2024