1. Metode parting mékanis
Polosis Élmu ngalibatkeun ngagosok beungeut aluminium
2. Metode polling kimia
Chemical polishing is a method that uses chemical solutions to treat the surface of aluminum plates, which can remove the oxide film and impurities on the surface of the aluminum plates, making the surface smoother.
3. Metode Sandblasting
Sandclasing mangrupikeun metode anu nganggo luhur - nyemprot logam logam atanapi nyiptakeun gelas susu sareng depresi
4. Metode polusi listrik
Polandangan eleksi otok
