Ua ntej, zam cov khoom cuam tshuam nrog cov khoom ntse los tiv thaiv khawb lossis dents saum npoo av, uas tuaj yeem cuam tshuam rau tawg {{}} ntawv ua yeeb yam. Tsis tu ncua kuaj xyuas tias cov vaj huam sib luag tau nruab kev nyab xeeb. Zawm cov seem xoob tam sim ntawd kom tiv thaiv lawv kom tsis txhob poob vim sab nraud cuam tshuam.
Thib ob, khaws cov npoo ntawm cov vaj huam sib luag huv thiab dawb ntawm hmoov av, roj, thiab lwm cov khib nyiab. Maj mam so nrog cov ntaub mos muag muag, qhuav. Rau cov tawv ncauj stubs, siv tshuaj ntxuav me me, tab sis ceev faj kom tsis txhob muaj cov tshuaj ntxuav.
Tsis tas li ntawd, tsis txhob nthuav dav rau cov av noo los tiv thaiv corrosion thiab kev tsis txaus ntseeg ntawm cov panels 'tawg. Siv cov khoom siv kom qhuav sai li sai tau tom qab siv cov huab cua huab cua lossis tom qab siv cov khoom siv pov tseg.
Thaum kawg, tshawb xyuas cov vaj huam sib luag rau cov cim ntawm hnav thiab deformation, nyob ntawm qhov kev ua haujlwm thiab cov xwm txheej. Hloov lossis kho cov tsis xws luag kom ntseeg tau tias lawv txuas ntxiv ua haujlwm tau zoo.
