Pele ho tsohle, moralo oa ho tseba le ho etsa hlobo, lisebelisoa tse tala tsa botlolo ea khalase ho lehlabathe la quartz e le thepa e ka sehloohong e tala, hammoho le lisebelisoa tse ling mochesong o phahameng o qhibilihisitsoeng ho ba mokelikeli, ebe hlobo e ntle ea ente ea botlolo ea oli, pholileng, incision, tempering. , ho thehoa ha gl...
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