Lub tes tuav yog ib qho khoom siv nyob rau sab saum toj ntawm lub balustrade lossis railing thiab nyob rau sab phab ntsa ntawm lub staircase, muab kev txhawb nqa rau tib neeg los tuav. Nws daim ntawv thiab cov ntaub ntawv yuav tsum ua kom tau raws li qhov yuav tsum tau muaj ntawm kev tuav thiab kev xav zoo, thaum tseem ua tiav cov kev cai ntawm cov khoom zoo nkauj. Cov khoom siv feem ntau suav nrog cov ntoo tawv, yas, cov pob zeb muaj zog, terrazzo, marble, thiab hlau profiles. Tsis muaj kev sib koom ua ke rau nws daim ntawv; txoj kev tsim kho tshwj xeeb yog txiav txim siab los ntawm cov ntsiab lus kev tsim kho vaj tsev.
Staircase handrail yog ib qho kev txhawb nqa ua rau ntawm lub staircase kom muaj kev ruaj ntseg thiab kev nyab xeeb. Staircase handrails feem ntau tau txais kev txhawb nqa los ntawm txoj kab ntsug, uas tuaj yeem txuas mus rau ob sab ntawm tus ncej ntawm ib qho kawg ntawm lub staircase los yog mus rau ib qho txuas nruab nrab nruab nrab ntawm phab ntsa. Ib qho style ntawm staircase railing yog hu ua kauv railing. Yog hais tias lub staircase muaj qhov sib npaug, ces lub raj gooseneck (ib feem ntsug uas tso cai rau nws txuas mus rau qhov siab dua tes tuav nyob rau ntawm lub sam thiaj lossis lub platform) yuav tsum tau nruab rau ntawm tes.
