Cov Ncej Hlau Muaj Zog Thiab Ruaj Khoov Txoj Kev Loj Gantry

1. Kev tsim cov ntaub ntawv siv cov ntaub ntawv txheem hauv tebchaws, qhov ceev thiab siab hardness, ruaj khov thiab ruaj khov. Tsim raws li tus neeg thov kev kos duab lossis tus neeg xa khoom qhov kev thov tiag tiag; Ua los ntawm cov hlau zoo, nws muaj kev tiv thaiv corrosion zoo thiab ruaj khov, thiab tuaj yeem tswj kev ruaj khov hauv kev siv mus sij hawm ntev. Kev xaiv cov khoom siv Cov khoom siv yog ua los ntawm cov hlau zoo heev nto du thiab ruaj khov, ua rau lub neej ntev dua.

2. Kev vuam tsis muaj qhov sib txuas, cov txheej txheem tsim khoom siv daim ntawv txiav kab sib tshuam, kom qhov vuam tom ze dua, qhov vuam siv ob txoj kev tiv thaiv vuam, Lub kaum sab xis thiab qhov deb siv cov cuab yeej ua tiav, lub bolt siv tus qauv hauv tebchaws 8.8 lossis 10.9s, lub cuab yeej av thiab xob laim ua tau raws li cov kev cai hauv tebchaws. Siv daim ntawv txiav kab sib tshuam, qhov ncauj vuam tom nruj, xob laim thiab tiv thaiv kev poob siab.

3. Kev kho kom zoo nkauj tuaj yeem raug galvanized, txau thiab pleev xim raws li qhov xav tau.

4. Muaj peev xwm ua tiav cov kev tsim kho yooj yim lossis muab cov khoom ntim rau hauv; Muaj peev xwm ntsuas tau ntawm qhov chaw, raws li cov ntaub ntawv tsim tawm tiag tiag;

5. Muaj peev xwm coj kev teeb tsa; Muaj peev xwm tsim cov ntawv qhia kev xeem ntawm tus neeg thib peb;

6. Siv cov qauv kho tshuab, lub thav duab ruaj khov, muaj peev xwm nqa tau siab, tuaj yeem tiv taus qhov hnyav ntawm cov khoom dai. Nws tuaj yeem tswj tau qhov ruaj khov yam tsis muaj kev hloov pauv nyob rau hauv kev ua ntawm lub zog sab nraud.

7. Muaj peev xwm raug galvanized raws li qhov xav tau, tshuaj tsuag kho, tiv thaiv oxidation thiab tsis muaj xeb

8. Txhawb kev hloov kho, raws li cov neeg siv khoom xav tau kev kho kom haum rau ntau yam ntaub ntawv, cov qauv, qhov loj me, cov lus qhia tiav cov khoom lag luam, cov khoom siv tiav, ntau yam qauv