Thoob elevators los ntawm qhov chaw ua haujlwm:
Nws yog qhov tsim nyog rau peb los ua qee qhov kev npaj ua haujlwm thaum xaiv lub tawb nqa khoom hauv is taws nem. Lub sijhawm no, peb yuav tsum mob siab rau txoj haujlwm npaj no.
Yuav ua li cas xaiv lub thoob ntim of elevator, ntawm no yog ob lub ntsiab lus tseem ceeb. Qhov ib yog ua tau raws li qhov xav tau ntawm cov neeg siv. Qhov thib ob yog nkag siab txog cov ntaub ntawv thauj khoom 'qhov ua haujlwm thiab manfuacturer cov ntaub ntawv yooj yim, suav nrog cov khoom lag luam ntau yam, kev siv tshuab, kev tsim khoom, tshuaj xyuas, ntim khoom, thiab lwm yam. Nyob rau hauv txoj kev no, peb tuaj yeem muaj qhov kev txiav txim siab tseeb rau ntawm kev xaiv lub tawb nqa khoom kom txuag sijhawm thiab sijhawm.
Ib qho ntxiv, yuav tsum rov txiav txim siab tus nqi ntawm lub thoob of elevator. Vim hais tias thoob elevator tsis yog khoom txheem, nws yog kho raws li qhov kev thov. Nyob rau tib lub sijhawm, peb tseem xav tau qhov txawv ntawm cov neeg xa khoom los ntawm lawv cov nqi thiab cov duab kos.
Rau cov chaw tsim khoom ntawm lub thoob of elevator, yog tias xav tau kev ua tau zoo, peb yuav tsum ua raws li cov theem hauv qab: 1. siv cov haujlwm ua tau zoo thiab cov khoom zoo raw khoom los txiav, thiab siv cov thev naus laus zis tsim nyog. 2. Ua tib zoo kuaj ua ntej xa khoom. Tsis txhob xa cov cuab yeej yog tias muaj qhov yuam kev.
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