1. Txheeb xyuas yog tias muaj" nkag; tso tseg tsheb thauj neeg" ;. Ua ntej nce of the elevator, neeg caij tsheb yuav tsum xyuas seb puas muaj daim paib “nres rau kev tu” nyob rau pem hauv ntej ntawm lub elevator. Yog tias daim paib dai, nws txhais tau hais tias of the elevator tau tswj thiab cov neeg caij tsheb yuav tsum tsis txhob nqa.
2. Txheeb xyuas cov cim qhia kev nyab xeeb. Thaum nqa lub nce ntaiv, koj yuav tsum xub xyuas seb puas muaj lub cim kev nyab xeeb tshaj tawm los ntawm qhov chaw ua haujlwm zoo thiab kev tswj hwm hauv lub elevator, thiab xyuas seb nws puas nyob hauv lub sijhawm siv tau Tsuas yog thaum ob qho tib si muaj koj tuaj yeem ua kom muaj kev nyab xeeb.
3. Saib yog tias nws ntau dhau. Of elevator tshaj yog qhov yooj yim kom ua rau muaj kev phom sij tsis zoo. Thaum lub caij ntaiv of alarm vim muaj ntau dhau, koj yuav tsum nqis tes ua qhov tawm mus thiab tos rau txoj kev ncig tom ntej los nqa lub rooj zaum.
4. Saib seb lub lag luam puas ua haujlwm. Tom qab lub elevator tau nres, cov neeg caij tsheb yuav tsum them sai sai saib seb puas lub elevator lub tsheb hauv tsev tso dej ntws nrog hauv pem teb thaum nkag thiab tawm hauv lub elevator. Yog tias nws tsis yog, nws qhia tau hais tias of the elevator muaj qhov ua haujlwm tsis zoo, thiab cov neeg siv of elevator yuav tsum tau ceeb toom rau lub sijhawm.
