Emva kweenyanga ezi-3 zoyilo, ukuvulwa komngundo, ukwenziwa kwebhodi, kunye nokusetwa kwesampulu lisebe le-R&D, isizukulwana esitsha sezacholo zolawulo olukude lwe-LED ekugqibeleni saphuma.Kunokuthiwa le bracelet idlule ebunzimeni ukusuka kuyilo ukuya kwimveliso, kuba ...
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