1. Mechanical Polishing Mechanical polishing ke ho itšetleha ka ho itšeha, deformation ea polasetiki ea holim'a thepa ho tlosa karolo ea convex ea holim'a metsi le ho fumana mokhoa o boreleli oa holim'a metsi, ka kakaretso o sebelisa majoe a majoe a oli, mabili a boea, sandpaper, joalo-joalo. , haholo-holo e tsamaisoang ka letsoho,...
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