Ukuphoswa kotyalo-mali, okwakwaziwa njengokuphosa kwe-wax elahlekileyo, kwadalwa kwiminyaka engama-5,000 eyadlulayo.Le ndlela yokuphosa inika iindawo ezichanekileyo, eziphindaphindiweyo kunye neziguquguqukayo ezineentsimbi ezahlukeneyo kunye ne-alloys ephezulu yokusebenza.Le ndlela yokuphosa ilungele ukuphosa ivumba kunye namalungu achanekileyo ...
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