Txawm hais tias koj yuav tsum tau nruab cov tes tuav ntawm sab nraum zoov cov kauj ruam yog nyob ntawm cov cai hauv zos thiab ntau lwm yam. Peb luv luv tham txog cov xwm txheej hauv qab no.
Tus naj npawb ntawm cov kauj ruam thiab qhov tob: Staircases nrog ntau tshaj plaub kauj ruam feem ntau yuav tsum tau tuav tuav kom ruaj khov thiab nyab xeeb. Uas tau hais tias, qee cov kab lis kev cai railing mandate handrails thaum muaj ntau tshaj ob kauj ruam. Qee zaum, tag nrho qhov siab ntawm lub staircase kuj yog qhov tseem ceeb; Piv txwv li, tag nrho qhov siab ntawm ntau tshaj 30 ntiv tes saum av theem feem ntau xav tau kev teeb tsa ntawm cov ntaiv railings.
Cov neeg siv ntaiv: Yog tias cov ntaiv nquag siv los ntawm cov menyuam yaus hnub nyoog qis dua kaum ob, cov neeg laus, lossis cov tib neeg uas tsis muaj kev txav mus los, kev txhim kho cov tes tuav ntawm cov kauj ruam yog qhov tseem ceeb.
Cov cai hauv zos: Ua ntej txiav txim siab tiv thaiv kev txhim kho cov cuab yeej ntawm koj lub cuab yeej, nco ntsoov sab laj cov cai hauv zos hais txog cov cai rau cov ntaiv sab nraum zoov.
Ua ntej tshaj qhov kev nyab xeeb thaum txiav txim siab seb puas yuav ntxiv railings rau sab nraum zoov cov kauj ruam. Thaum tsis ntseeg, xav txog kev txhim kho cov kauj ruam sab nraum zoov; qhov no muab kev thaj yeeb nyab xeeb ntawm lub siab thiab ua kom txhua tus tuaj yeem siv cov ntaiv kom nyab xeeb thiab xis nyob.
