Ngokuthuthuka kwemakethe yamathambo, ucwaningo lwempahla yokufakelwa nalo luya ngokuya ludonsa ukunaka kwabantu.Ngokwesethulo sika-Yao Zhixiu, izinto zamanje zokufakelwa kwensimbi ngokuvamile zihlanganisa insimbi engagqwali, i-titanium ne-titanium alloy, isisekelo se-cobalt ...
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