1. Tsis txhob hnav cov khau mos xws li "lub qhov khau" kom caij lub escalator, txwv tsis pub koj ob txhais taw yuav yooj yim, ua rau muaj kev sib tsoo!
2. Thaum hnav khaub ncaws xws li tiab ntev thiab dav-leg ris, thov ua tib zoo saib xyuas tshwj xeeb txog kev phom sij uas cov khaub ncaws yuav raug ntes hauv lub elevator. Txoj kev raug yuav tsum yog li ntawd, nqa lub hem ntawm cov khaub ncaws, thiab nqa lub elevator tom qab paub tseeb tias nws muaj kev nyab xeeb.
3. Tsis txhob cia cov menyuam yaus siv lub escalator ib leeg kom muaj kev nyab xeeb.
4. Rau cov neeg uas hnav "cov khau khau khiab", thawb lub tsheb kauj vab, thiab nqa lub nra loj, thov xaiv nqa lub elevator (hom ntsug), thiab tsis txhob sim nqa lub escalator kom yooj yim, kev nyab xeeb.
5. Ua ntej siv of the elevator, thov xyuam xim rau txoj hauj lwm ntawm lub khawm "tawm xwm txheej ceev" (feem ntau ntawm ob qho kawg ntawm lub elevator).
Nyob rau hauv luv luv, txhua leej txhua tus yuav tsum tau xyuam xim rau cov cim kev nyab xeeb ntawm lub elevator, thiaj li nrhiav tau ceev ceev qhov chaw ntawm qhov chaw nres tsheb thaum muaj xwm ceev thiab sau cia.
