Eqinisweni, kunezinhlobo ezimbili zezixubho zikagesi: ukujikeleza nokudlidliza.1. Umgomo we-rotary toothbrush ulula, okungukuthi, i-motor ishayela ikhanda lebhulashi eliyindilinga ukuze lijikeleze, okuthuthukisa umphumela wokungqubuzana ngenkathi yenza izenzo ezijwayelekile zokuxubha.I-rotary toothbr...
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