Katundu ndi Ntchito za Synthetic Diamondi
Ufa wa diamondi wa mafakitale umakhala ndi kukhazikika kwamafuta ambiri, kukhazikika kwamafuta, kukhazikika kwamagetsi, kuwongolera bwino kwamagetsi, zinthu zabwino zakuthupi (mphamvu yopondereza, kutentha kwabwino ...
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