Leej twg yuav tsis txaus siab rau lub tsheb kauj vab zoo?

Peb lub hom phiaj yog tsim cov khoom siv hauv qab ntawm txoj kev khiav tsheb zoo. Peb hais kom ua qhov zoo ua ntej, kev pabcuam ua ntej, thiab siv zog rau kev txo nqi tib lub sijhawm.

Kev muab cov khoom siv hauv qab zoo rau cov neeg siv khoom vim nws cuam tshuam ncaj qha rau kev ua tau zoo thiab kev ruaj khov ntawm cov khoom siv kho tshuab. Peb lub tuam txhab hais kom muab cov khoom siv hauv qab zoo rau cov neeg siv khoom thiab yuav tsis txo qhov zoo ntawm cov khoom vim muaj kev sib tw nqi qis.

Thaum lub sijhawm tsim khoom, peb ib txwm ua tib zoo saib xyuas cov yam xws li cov khoom ruaj khov, lub peev xwm thauj khoom, kev hloov pauv tau yooj yim thiab yooj yim txij nkawm kom ntseeg tau tias cov neeg siv khoom tau txais cov khoom zoo thiab cov kev pabcuam. Tib lub sijhawm, peb txuas ntxiv txhim kho thiab tsim kho cov txheej txheem ntawm crawler undercarriage, txuas ntxiv ua kom yooj yim cov txheej txheem nyuaj, thiab txhim kho cov khoom zoo thiab theem kev siv tshuab kom tau raws li cov kev xav tau hloov pauv ntawm cov neeg siv khoom thiab kev sib tw ntawm kev ua lag luam.