lub caij ntuj no hneev taw
Lub caij ntuj no, zoo li tsis muaj lwm lub caij, tuaj yeem tso nws cov cim kev puas tsuaj ntawm lub tsheb. Nws yog lub sij hawm los lwv lawv.
Feem ntau cov cim qhia ntawm kev ua si lub caij ntuj no tuaj yeem pom ntawm lub cev, uas yuav tsum tau kuaj xyuas ua ntej kev tshuaj xyuas kom meej. 
ntxuav kom huv si, nrog rau qhov qis ntawm lub cev, lub log arches thiab qhov rooj. Ua ntej ntawm tag nrho cov, peb tab tom nrhiav rau cov hnab ris ntawm corrosion, uas tsawg kawg yuav tsum tau tiv thaiv kom sai li sai tau, thiab nyiam dua cov kws tshaj lij tshem tawm thiab kho. Yog tias peb tsis ua qhov no, cov xeb yuav noj los ntawm cov ntawv hlau hauv ob peb lub hlis. Ntxiv nrog rau qhov pom tseeb xeb me ntsis, lawv kuj yuav tsum tau ua tam sim ntawd qhov txheej txheej ntawm cov xim muaj blistered. Nyob rau hauv xws li "npub" txheej txheem corrosion feem ntau yog tsim muaj zog. Cov xeb yog tshwm sim los ntawm noo noo nkag mus rau daim ntawv hlau los ntawm microscopic tawg nyob rau hauv lub painting. Nyob rau hauv tsis muaj cov ntaub ntawv yuav tsum tau kho ntawm tej qhov chaw yuav tsum ncua thiab nws muaj nyob rau hauv stripping lawv mus liab qab hlau, thov ib tug primer thiab re-varnishing. Koj tuaj yeem ua nws tus kheej.
Tsis txhob kwv yees qhov kev puas tsuaj rau cov kua roj vanish nyob rau hauv daim ntawv ntawm khawb ntawm qhov sib txawv qhov tob, tshwj xeeb tshaj yog thaum lub primer txheej twb puas lawm. Yog tias lub cev phaj tsis npog, xeb yuav nrawm nrawm. Lub teeb khawb tuaj yeem buffed tawm nrog ib qho tsim nyog grit polishing muab tshuaj txhuam.
Ntxiv rau qhov pom cov cim ntawm corrosion thiab khawb ntawm ntau qhov tob, peb cov xim yuav tsum tsis txhob saib xyuas los ntawm cov xim me me. Koj tuaj yeem pom lawv feem ntau nyob rau hauv pem hauv ntej ntawm lub cev thiab nyob ib ncig ntawm lub sills. Feem ntau, qhov no yog qhov tshwm sim ntawm pov pob zeb me me los ntawm hauv qab lub log. Hauv qhov chaw tsis tshua pom, siv txhuam txhuam los sau cov kua roj vanish hauv cov suab nrov.
