Corten steel duab puab tseem hu ua weathering steel duab puab thiab corten steel vaj cov khoom lag luam yog tshwj xeeb tsim nrog xeb tas. Nws yog qhov nrov heev siv hauv zej zog thiab vaj los yog sab nrauv kho kom zoo nkauj. Cov yam ntxwv tseem ceeb yog los tiv thaiv xeb thiab nws yog qhov tsim nyog raws li sab nrauv kos duab duab puab. Thaum nws muab tso rau hauv qhov chaw sab nraum zoov thiab cov hlau saum npoo yuav dhau los ua ib txheej txheej tiv thaiv los tiv thaiv cov duab puab tag nrho. Rau peb txhua tus duab puab tau siab xuas tes ua thiab tsim qauv tsim tau zoo siab txais tos yog tias koj muaj tus kheej tsim lossis duab, koj tuaj yeem xa nws rau peb siv. Tos rau koj cov lus teb zoo yog tias koj nyiam ib yam ntawm lawv.