Cov txheej txheem tsim khoom ntawm stamped qhov chaw feem ntau suav nrog cov kauj ruam hauv qab no:
1. Kev npaj cov khoom: Stamped seem feem ntau yog ua los ntawm cov ntawv hlau, yog li cov ntawv hlau yuav tsum tau npaj ua ntej.
2. Tuag Tsim: Ib qho tuag tuag yog tsim los ntawm cov duab thiab qhov loj ntawm qhov chaw stamped.
3. Stamping: Cov ntawv hlau yog ua tiav rau hauv cov duab uas yuav tsum tau siv cov tuag.
4. Reinforcement: Stamped qhov chaw feem ntau xav tau kev txhawb nqa kom lawv lub zog thiab kav ntev.
5. Kev kho deg: Thaum kawg, cov khoom stamped yuav tsum tau kho saum npoo los tiv thaiv oxidation thiab corrosion.
