Cov txheej txheem huab cua no tsis yog 'rusting' tiag tiag, raws li cov lus yuav tau nkag siab ntau dua - tab sis nws zoo dua rau cov txheej txheem ntawm kev kho thiab patination uas tseem tiv thaiv lwm cov hlau uas siv tau ntev, xws li Zinc, Lead, Bronze thiab tooj liab. Txawm hais tias Corten txheej txheej pom zoo ib yam li 'xeb', nws yog qhov tseeb ntawm kev tswj oxidation uas ruaj khov - thiab uas tsim kho, tsis yog kev puas tsuaj, txheej hla cov hlau.

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