Ua ntej, raws li cov ntaub ntawv sib txawv, nws tuaj yeem muab faib ua: internode railings thiab nruam railings. Lub internode railing yog tsim los ntawm ib kem, ib tug handrail thiab ib tug crossbar, thiab lub tes tuav yog txhawb rau ntawm kem; Lub railing txuas ntxiv muaj ib qho kev sib txuas txuas ntxiv, uas muaj ib lub tes tuav, ib qho railing ncej thiab lub hauv paus.
Thib ob, raws li cov ntaub ntawv sib txawv, nws tuaj yeem muab faib ua: ntoo railings, stainless hlau railings, cam khwb cia hlau railings, pob zeb railings, cam khwb cia pob zeb railings, cement railings, thiab ua ke railings.
Thib peb, raws li qhov sib txawv qhov siab, nws tuaj yeem muab faib ua: qis kem, nruab nrab kem, siab kem. Feem ntau, qhov siab ntawm qhov qis yog {{0}} 2-0.3 meters, qhov siab ntawm nruab nrab bar yog 0.8-0.9 meters, thiab qhov siab ntawm qhov siab bar yog 1.1-1.3 meters. Qhov sib nrug ntawm cov kab railing feem ntau yog 0.5-2 meters.
Plaub, raws li cov duab sib txawv, nws tuaj yeem muab faib ua cov railings khoob thiab cov khoom railings. Lub qhov dej railing yog tsim los ntawm cov ncej ncaj thiab tuav, thiab qee qhov yog nruab nrog cov kab los yog cov khoom dai. Cov khoom railing yog tsim los ntawm railings thiab handrails, thiab kuj tseem muaj ib feem los.
