Cov rooj tog ntoo yog muaj txiaj ntsig zoo rau nws cov ntuj kev ntxhib los mos thiab dismility, tab sis ua rau ya raws, kab tsuag puas tsuaj, thiab ua yeeb yam. Kev ntim khoom kom zoo tuaj yeem txuas ntxiv nws lub neej thiab khaws cia nws txoj kev zoo nkauj thiab ua haujlwm.
Xaiv txoj cai cia khoom yog qhov tseem ceeb. Cov rooj tog ntoo yuav tsum muab khaws cia rau hauv qhov chaw qhuav, cua nyob sab hauv tsev, deb ntawm kev sib chwv nrog hauv pem teb. Nws raug nquahu kom siv cov dej noo - Cov ntaub ntawv ua pov thawj los yog khaws cia rau hauv av kom tsis txhob muaj cov ntoo los yog pwm. Rau ntev - sij hawm cia, av noo yuav tsum khaws cia ntawm 40% thiab 60%, thiab qhov ntsuas kub yuav tsum nyob nruab nrab ntawm 15℃thiab 25 degree. Hauv qab daus lossis ib puag ncig sab nraum zoov yuav tsum tau zam thaum lawv tuaj yeem yooj yim ua rau tus qauv ntoo yooj yim vim cov av noo thiab cov roj av loj.
Kev ntxuav thiab kev tiv thaiv yog qhov tseem ceeb. Ua ntej cia, kom huv si cov rooj tog zaum ua kom huv si, so nrog daim ntaub mos muag kom tshem cov hmoov av, thiab tshuaj xyuas cov khoom noj khoom haus thiab stains. Siv cov txhuam txhuam muag los ntxuav cov carvings thiab crevices. Thov ib txheej ntawm cov ntoo ntoo ntoo lossis cov rooj tog tshwj xeeb los tsim cov yeeb yaj kiab tiv thaiv kom tiv thaiv kom qhuav, tawg, thiab kab kev. Yog tias rooj tog muaj cov hlau txuas (xws li pob taws thiab cov pob zeb), lawv yuav tsum tau ntxuav thiab sib xyaw nrog cov tshuaj tiv thaiv xeb cais kom tiv thaiv oxidation thiab corrosion.
Qhov chaw ua haujlwm zoo thiab kev kuaj xyuas ib txwm muaj yog qhov tseem ceeb sib luag. Cov rooj tog loj yuav tsum tau rhuav tshem mus rau hauv nws cov khoom me me tshaj (xws li cov tub rau khoom thiab muab cov vaj huam sib luag) thiab khaws cia cais kom txo qis kev pheej hmoo ntawm deformation. Yog tias tsis muaj kev tshem tawm tsis tau, cov rooj zaum yuav tsum khaws cia me ntsis ajar kom tiv thaiv huab cua sib nraus thiab kev loj hlob. Peb lub hlis tsom kwm pom zoo thaum lub sijhawm khaws cia kom kuaj xyuas cov cim ntawm ya raws, cov kab tsuag, lossis xoob cov qauv. Kev kho mob sai tuaj yeem tiv thaiv cov teeb meem yav tom ntej.
Los ntawm cov qauv no, cov rooj ntoo ntoo tuaj yeem ruaj khov thaum lub sijhawm khaws cia, khaws cia nws cov kev ua haujlwm qub thiab ua haujlwm rau kev siv yav tom ntej. Kev tswj hwm kev tshawb fawb thiab kev saib xyuas tsis zoo yog tus yuam sij rau cov rooj tog ntoo.