1. Mechanical Polishing Mechanical polishing punika gumantung ing nglereni, deformasi plastik saka lumahing materi kanggo mbusak bagean convex saka lumahing polesan lan njaluk cara lumahing Gamelan polishing, umume nggunakake ngudani watu lenga, gembong wool, sandpaper, etc. , utamane dioperasikake tangan, ...
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