(1) ka hana lima mechanical polishing: ʻo ia ma ka ʻoki ʻana, hoʻoneʻe ʻia ka deformation plastic surface material ma hope o ka hoʻoliʻi ʻana i ke ʻano o ka convex a me ka maʻemaʻe o ka ʻili poli, hoʻohana maʻamau i ka aila, huila hulu hipa, sandpaper, etc. e like me ka ili rotary, ...
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