1. Tshawb xyuas cov ntawv pov thawj khoom lag luam, them sai sai rau hnub tim ntawm lub Hoobkas, kev paub meej, kev kho mob khoom lag luam, cov npe lag luam thiab tus lej lais lej ntau lawm.
2. Ua tib zoo saib thaj tsam ntawm cov khoom lag luam, cov khoom lag luam yuav tsum ci xim, lub ntsej muag zoo, lub ntsej muag tsis tuaj yeem pom qhov khaus khaus, npuas thiab lwm yam tsis xws.
3. Nco ntsoov them sai sai rau cov phab ntsa tuab ntawm cov khoom, lub qhov rooj, cov khoom siv qhov rai cov khoom lag luam tuab yuav tsum tsis pub tsawg dua 1.0 hli.
4. Them rau qhov tuab ntawm cov khoom nto txheej, anode oxidation khoom lag luam zaj duab xis thickness tsis yog tsawg dua 10 m, electrophoretic xim cov khoom zaj duab xis thickness tsis yog tsawg dua 17 m, hmoov txheej thickness tsis tshaj 40-120 m ntau, cov tshuaj pleev xim fluorocarbon yuav tsum muaj ntau tshaj ob txheej, tsis pub tsawg tshaj 30 m.
5. Cov neeg siv nyob rau hauv cov chaw ntug hiav txwv raug qhia kom xaiv cov xim electrophoresis profiles, hmoov txau profile lossis tshuaj tsuag fluorocarbon txau nrog cov zoo corrosion.
6. Tsis muaj lwm yam khoom siv nyuaj xws li txhuam hniav yuav tsum tau siv cov cuab yeej ntxuav tu rau niaj hnub, thiab cov xov paj thiab ntaub paj ntaub yuav tsum xaiv.
7. Cov dej, ntxuav lub dab thiab xab npum siv tau los ntxuav, tab sis tsis muaj lwm yam organic ntxiv.
