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Indandatho yokutywina ye-carbon graphite ye-mechanical ye-Rot ...
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Indandatho yegrafayithi ezithambisayo, ezithambisayo ...
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Uxinzelelo oluphezulu oluguquguqukayo lwendandatho yokupakisha yegrafayithi
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Indandatho yokutywina yeGraphite/Carbon eguquguqukayo yevalvu ...
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Ukuchaneka okuphezulu kunye nobunyulu obuphezulu begraphit eguquguqukayo ...
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Indandatho yegrafayithi eguquguqukayo eguquguqukayo yolwandle lomatshini ...





