Phab ntsa panels thiab choj formwork nug cov khoom sib txawv ntawm plywood. Phab ntsa panels feem ntau xav tau cov pob qij txha huv, rov kho dua, thiab nqa yooj yim ntawm qib. Choj formwork tej zaum yuav xav tau cov vaj huam sib luag tuab dua vim tias qhov sib nrug ntawm kev txhawb nqa, pob zeb hnyav, thiab thaj chaw ua haujlwm tuaj yeem loj dua. Siv ib lub thickness rau txhua txoj haujlwm yuav zoo li yooj yim, tab sis nws tuaj yeem ua rau pab pawg qeeb tom qab.
Ib txoj hauv kev zoo dua yog saib daim duab ua ntej. Tshawb xyuas lub vaj huam sib luag loj, pob zeb ua haujlwm siab, kho cov ntsiab lus, thiab pes tsawg zaus lub rooj tsavxwm yuav tsum rov qab siv dua. Cov vaj huam sib luag nyias tuaj yeem txuag lub sijhawm tuav ntawm cov haujlwm me me. Thicker panels tuaj yeem muab lub cev ntau dua hauv qhov hnyav. Qhov kev txheeb xyuas yooj yim no pab pawg neeg hauv lub vev xaib kom muaj kev sib xyaw kom raug es tsis txhob kwv yees. Nws tseem khaws cov ntawv sib zog rau tes ua haujlwm thiab cov ntawv tuab dua rau cov vaj huam sib luag dav uas lawv xav tau tiag tiag. Qhov kev faib me me hauv kev npaj npaj yuav txo cov khib nyiab ntawm cov hnub txiav thiab ua kom thaj chaw formwork kom zoo dua.