1. Lub ntim txheej txheej ntawm cov kav dej square galvanized yuav tsum muaj peev xwm zam kom tsis txhob xoob thiab puas thaum lub sijhawm thauj khoom, thauj, thiab khaws cia.
2. Yog tias tus neeg yuav khoom muaj cov qauv tshwj xeeb rau kev ntim khoom raw cov ntaub ntawv thiab cov txheej txheem ntim khoom ntawm galvanized square tube khoom, lawv yuav tsum tau qhia lawv hauv kev pom zoo; Yog tias tsis tau teev tseg, cov khoom ntim yas thiab cov txheej txheem ntim khoom muaj rau cov neeg muag khoom xaiv.
3. Cov khoom ntim yas yuav tsum ua raws li cov kev cai cuam tshuam. Yog tias cov khoom ntim yas tsis tas yuav tsum tau ua, lawv yuav tsum ua kom tau raws li qhov tsim nyog ntawm kev txiav txim los tiv thaiv kev noj thiab kev ua qias tuaj ib puag ncig.
Yog tias cov neeg siv khoom xav kom cov kav dej square galvanized yuav tsum tsis txhob muaj kev phom sij xws li pob lossis pob ntawm qhov chaw, lawv tuaj yeem txiav txim siab siv cov tshuab tu thiab cov khoom siv hauv nruab nrab ntawm cov kav dej square galvanized. Tswj cov tshuab thiab cov khoom siv uas tuaj yeem siv cov kua nplaum, cov hlua nyom los qhwv ib ncig ntawm cov ntoo, cov ntaub fiber ntau, yas, lub kaus mom, thiab lwm yam.
5. Vim tias nyias nyias ntawm cov phab ntsa tuab tuab, cov kav dej galvanized square nrog cov phab ntsa tuab tuaj yeem daws tau los ntawm kev siv cov kev ntsuas tsim nyog rau kev siv hauv cov kav dej lossis los ntawm kev tsim thiab tswj cov qauv hauv cov kav dej. Kev xaiv cov khoom siv rau qhov ruaj khov thiab cov thav duab sab nrauv yog tib yam li cov khoom siv ntawm galvanized square tube raw khoom.