1. Thaum lub sijhawm txheej txheem hluav taws xob, nws yog ib qho tsim nyog los tiv thaiv hluav taws xob nruab nrab.
2. Electropating rau txhuas yuav tsum tau them rau hauv lub tank kom tiv thaiv kev tsim cov khaubncaws sab nraud povtseg.
3. Cov khoom siv hluav taws xob hluav taws xob hauv cov tshuaj kub yuav tsum yog preheated hauv lub taub dej kub.
4. Cov chaw txhuas yuav tsum tau qhuav kom ntau li ntau tau ua ntej nkag mus rau acid etching kom tsis txhob muaj kev mob hauv zos.
5