Nrog rau kev txhim kho kev lag luam thauj mus los, hom thiab cov hom hluav taws xob tsheb tau dhau los ua ntau dua thiab ntau dua.
Vim tias muaj lub neej ntawm hluav taws xob flail tsheb, ntau tus neeg lag luam tau ua tiav kev hloov kho dua tshiab.


Thaum pib ntawm kev tsim cov kev daws teeb meem, peb cov kws ua txhaum yuav tshwm sim ua txhaum ntawm lawv cov kev muaj kev nplua nuj, thiab zam kev pheej hmoo zoo.
Ua ntej tau nkag sab hauv lub tsev rau khoom, txhua daim hlau hlau yuav tsum ua ntu zus thiab ua tim khawv kom tsim nyog.
Muaj kev tshuaj xyuas zoo nyob rau hauv txhua txheej txheem.
Ua ntej xa khoom, tag nrho cov chaw xa khoom / trolleys yuav tsum tau kev sim ua ntej, suav nrog kev thauj khoom, muaj kev khuam siab rau kev txuag, kev nce qib kev nce khoom, rub tawm cov chaw taws teeb, thiab lwm yam.