(1) opereishene ea mochini o sebetsang ka letsoho: e etsoa ka ho seha, deformation ea polasetiki ea holim'a lintho e tlosoa ka mor'a ho bentša sekontiri le mokhoa o boreleli oa holim'a metsi, hangata ho sebelisoa oli, lebili la boea, sandpaper, joalo-joalo, e etelletsoa pele ka ts'ebetso ea matsoho, likarolo tse khethehileng tse joalo. joalo ka holim'a rotary, ...
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